v1.1.2

Mlaumcherb.Client.Avalonia/Config.cs

@@ -1,5 +1,6 @@
 using Mlaumcherb.Client.Avalonia.зримое;
 using Mlaumcherb.Client.Avalonia.классы;
+using Mlaumcherb.Client.Avalonia.сеть.Update;
 using Mlaumcherb.Client.Avalonia.холопы;
 
 namespace Mlaumcherb.Client.Avalonia;
@@ -20,21 +21,28 @@ public record Config
     public bool redirect_game_output { get; set; } = false;
     public string? last_launched_version { get; set; }
     public int max_parallel_downloads { get; set; } = 16;
-    public VersionCatalogProps[] version_catalogs { get; set; } =
+    public GameVersionCatalogProps[] version_catalogs { get; set; } =
     [
+        new() { name = "Тимериховое", url = "https://timerix.ddns.net/minecraft/catalog.json" },
         new() { name = "Mojang", url = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json" },
-        new() { name = "Тимериховое", url = "https://timerix.ddns.net/minecraft/catalog.json" }
     ];
     
+    public UpdateHelper.GiteaConfig gitea { get; set; } = new()
+    {
+        serverUrl = "https://timerix.ddns.net/git/",
+        user = "Timerix",
+        repo = "mlaumcherb",
+    };
+
     
     [JsonIgnore] private static IOPath _filePath = "млаумчерб.json";
     
     public static Config LoadFromFile()
     {
-        LauncherApp.Logger.LogInfo(nameof(Config), $"loading config from file '{_filePath}'");
+        LauncherApp.Logger.LogDebug(nameof(Config), $"loading config from file '{_filePath}'");
         if(!File.Exists(_filePath))
         {
-            LauncherApp.Logger.LogInfo(nameof(Config), "file doesn't exist");
+            LauncherApp.Logger.LogDebug(nameof(Config), "file doesn't exist");
             return new Config();
         }
 
@@ -67,7 +75,7 @@ public record Config
 
     public void SaveToFile()
     {
-        LauncherApp.Logger.LogInfo(nameof(Config), $"saving config to file '{_filePath}'");
+        LauncherApp.Logger.LogDebug(nameof(Config), $"saving config to file '{_filePath}'");
         var text = JsonConvert.SerializeObject(this, Formatting.Indented);
         File.WriteAllText(_filePath, text);
         LauncherApp.Logger.LogDebug(nameof(Config), $"config has been saved: {text}");

Mlaumcherb.Client.Avalonia/GameVersion.cs

@@ -7,15 +7,14 @@ using Mlaumcherb.Client.Avalonia.классы;
 using Mlaumcherb.Client.Avalonia.сеть;
 using Mlaumcherb.Client.Avalonia.сеть.TaskFactories;
 using Mlaumcherb.Client.Avalonia.холопы;
-using Newtonsoft.Json.Linq;
 using static Mlaumcherb.Client.Avalonia.холопы.PathHelper;
 
 namespace Mlaumcherb.Client.Avalonia;
 
 public class GameVersion
 {
-    private readonly GameVersionProps _props;
+    private readonly InstalledGameVersionProps _props;
-    public string Name => _props.Name;
+    public string Id => _props.Id;
     public IOPath WorkingDirectory { get; }
 
     private IOPath JavaExecutableFilePath;
@@ -27,94 +26,32 @@ public class GameVersion
     private CancellationTokenSource? _gameCts;
     private CommandTask<CommandResult>? _commandTask;
 
-    public static Task<List<GameVersionProps>> GetAllVersionsAsync()
+    internal GameVersion(InstalledGameVersionProps props, GameVersionDescriptor descriptor)
-    {
-        var propsList = new List<GameVersionProps>();
-        
-        // local descriptors
-        Directory.Create(GetVersionsDir());
-        foreach (IOPath subdir in Directory.GetDirectories(GetVersionsDir()))
-        {
-            string name = subdir.LastName().ToString();
-            var d = new GameVersionProps(name);
-            if(!File.Exists(d.LocalDescriptorPath))
-                throw new Exception("Can't find version descriptor file in directory '{subdir}'. Rename it as directory name.");
-            propsList.Add(d);
-        }
-        
-        // reverse sort
-        propsList.Sort((a, b) => b.CompareTo(a));
-        return Task.FromResult(propsList);
-    }
-
-    public static async Task<GameVersion> CreateFromPropsAsync(GameVersionProps props, bool checkHash)
-    {
-        //TODO: refresh version descriptor from server
-        if (!File.Exists(props.LocalDescriptorPath))
-        {
-            if (props.RemoteProps is null)
-                throw new NullReferenceException("can't download game version descriptor '"
-                                                 + props.Name + "', because RemoteDescriptorUrl is null");
-            await NetworkHelper.DownloadFile(props.RemoteProps.url, props.LocalDescriptorPath);
-        }
-
-        return new GameVersion(props);
-    }
-
-    private GameVersion(GameVersionProps props)
     {
         _props = props;
-        
+        _descriptor = descriptor;
-        string descriptorText = File.ReadAllText(props.LocalDescriptorPath);
-        JObject descriptorRaw =  JObject.Parse(descriptorText);
-        
-        // Descriptors can inherit from other descriptors.
-        // For example, 1.12.2-forge-14.23.5.2860 inherits from 1.12.2
-        if (descriptorRaw.TryGetValue("inheritsFrom", out var v))
-        {
-            string parentDescriptorId = v.Value<string>() 
-                        ?? throw new Exception("inheritsFrom is null");
-            LauncherApp.Logger.LogInfo(Name, $"merging descriptor '{parentDescriptorId}' with '{Name}'");
-            IOPath parentDescriptorPath = GetVersionDescriptorPath(parentDescriptorId);
-            if (!File.Exists(parentDescriptorPath))
-                throw new Exception($"Версия '{Name} требует установить версию '{parentDescriptorId}'");
-            string parentDescriptorText = File.ReadAllText(parentDescriptorPath);
-            JObject parentDescriptorRaw = JObject.Parse(parentDescriptorText);
-            parentDescriptorRaw.Merge(descriptorRaw,
-                new JsonMergeSettings { MergeArrayHandling = MergeArrayHandling.Concat });
-            descriptorRaw = parentDescriptorRaw;
-            // removing dependency
-            descriptorRaw.Remove("inheritsFrom");
-            File.WriteAllText(props.LocalDescriptorPath, descriptorRaw.ToString());
-        }
-
-        _descriptor = descriptorRaw.ToObject<GameVersionDescriptor>()
-                      ?? throw new Exception($"can't parse descriptor file '{props.LocalDescriptorPath}'");
         _javaArgs = new JavaArguments(_descriptor);
         _gameArgs = new GameArguments(_descriptor);
         _libraries = new Libraries(_descriptor);
         WorkingDirectory = GetVersionDir(_descriptor.id);
-        JavaExecutableFilePath = GetJavaExecutablePath(_descriptor.javaVersion.component, LauncherApp.Config.debug);
+        JavaExecutableFilePath = GetJavaExecutablePath(
+            _descriptor.javaVersion.component, LauncherApp.Config.redirect_game_output);
     }
 
-    public async Task UpdateFiles(bool checkHashes, Action<NetworkTask> networkTaskCreatedCallback)
+    public async Task Download(bool checkHashes, Action<NetworkTask> networkTaskCreatedCallback)
     {
-        LauncherApp.Logger.LogInfo(Name, $"started updating version {Name}");
+        LauncherApp.Logger.LogInfo(Id, $"started updating version {Id}");
         
         List<INetworkTaskFactory> taskFactories =
         [
             new AssetsDownloadTaskFactory(_descriptor),
             new LibrariesDownloadTaskFactory(_descriptor, _libraries),
         ];
-        if (LauncherApp.Config.download_java)
+        if (LauncherApp.Config.download_java && (!File.Exists(JavaExecutableFilePath) || checkHashes))
-        {
             taskFactories.Add(new JavaDownloadTaskFactory(_descriptor));
-        }
         if (_descriptor.modpack != null)
-        {
             taskFactories.Add(new ModpackDownloadTaskFactory(_descriptor));
-        }
+        // has to be downloaded last because it is used to check if version is installed
-        // has to be downloaded last because it is used by GameVersionProps to check if version is installed
         taskFactories.Add(new VersionJarDownloadTaskFactory(_descriptor));
         
         var networkTasks = new List<NetworkTask>();
@@ -142,8 +79,8 @@ public class GameVersion
             await res.CopyToAsync(file);
         }
         
-        _props.IsDownloaded = true;
+        _props.IsInstalled = true;
-        LauncherApp.Logger.LogInfo(Name, $"finished updating version {Name}");
+        LauncherApp.Logger.LogInfo(Id, $"finished updating version {Id}");
     }
     
     //minecraft player uuid explanation
@@ -172,6 +109,7 @@ public class GameVersion
         if (string.IsNullOrWhiteSpace(LauncherApp.Config.player_name))
             throw new Exception("invalid player name");
         
+        string classSeparator = PlatformHelper.GetOs() == "windows" ? ";" : ":";
         Directory.Create(WorkingDirectory);
         string uuid = GetPlayerUUID(LauncherApp.Config.player_name);
         Dictionary<string, string> placeholder_values = new() {
@@ -191,14 +129,14 @@ public class GameVersion
             { "launcher_version", "1.6.84-j" },
             { "classpath", _libraries.Libs.Select(l => l.jarFilePath)
                 .Append(GetVersionJarFilePath(_descriptor.id))
-                .MergeToString(';') },
+                .MergeToString(classSeparator) },
             { "assets_index_name", _descriptor.assets },
             { "assets_root", GetAssetsDir().ToString() },
             { "game_assets", GetAssetsDir().ToString() },
             { "game_directory", WorkingDirectory.ToString() },
             { "natives_directory", GetNativeLibrariesDir(_descriptor.id).ToString() },
             { "library_directory", GetLibrariesDir().ToString() },
-            { "classpath_separator", ";"},
+            { "classpath_separator", classSeparator},
             { "path", GetLog4jConfigFilePath().ToString() },
             { "version_name", _descriptor.id },
             { "version_type", _descriptor.type },
@@ -224,23 +162,23 @@ public class GameVersion
                 .WithStandardOutputPipe(PipeTarget.ToDelegate(LogGameOut))
                 .WithStandardErrorPipe(PipeTarget.ToDelegate(LogGameError));
         }
-        LauncherApp.Logger.LogInfo(Name, "launching the game");
+        LauncherApp.Logger.LogInfo(Id, "launching the game");
-        LauncherApp.Logger.LogDebug(Name, "java: " + command.TargetFilePath);
+        LauncherApp.Logger.LogDebug(Id, "java: " + command.TargetFilePath);
-        LauncherApp.Logger.LogDebug(Name, "working_dir: " + command.WorkingDirPath);
+        LauncherApp.Logger.LogDebug(Id, "working_dir: " + command.WorkingDirPath);
-        LauncherApp.Logger.LogDebug(Name, "arguments: \n\t" + argsList.MergeToString("\n\t"));
+        LauncherApp.Logger.LogDebug(Id, "arguments: \n\t" + argsList.MergeToString("\n\t"));
         _gameCts = new();
         _commandTask = command.ExecuteAsync(_gameCts.Token);
         var result = await _commandTask;
-        LauncherApp.Logger.LogInfo(Name, $"game exited with code {result.ExitCode}");
+        LauncherApp.Logger.LogInfo(Id, $"game exited with code {result.ExitCode}");
     }
 
     private void LogGameOut(string line)
     {
-        LauncherApp.Logger.LogInfo(Name, line);
+        LauncherApp.Logger.LogInfo(Id, line);
     }
     private void LogGameError(string line)
     {
-        LauncherApp.Logger.LogWarn(Name, line);
+        LauncherApp.Logger.LogWarn(Id, line);
     }
     
     public void Close()
@@ -249,5 +187,5 @@ public class GameVersion
     }
 
 
-    public override string ToString() => Name;
+    public override string ToString() => Id;
 }

Mlaumcherb.Client.Avalonia/LauncherLogger.cs

@@ -5,11 +5,12 @@ public class LauncherLogger : ILogger
     private CompositeLogger _compositeLogger;
     private FileLogger _fileLogger;
     public static readonly IOPath LogsDirectory = "launcher_logs";
-    public IOPath LogfileName => _fileLogger.LogfileName;
+    public IOPath LogFilePath => _fileLogger.LogfileName;
     
     public LauncherLogger()
     {
         _fileLogger = new FileLogger(LogsDirectory, "млаумчерб");
+        _fileLogger.DebugLogEnabled = true;
         ILogger[] loggers = 
         [
             _fileLogger,
@@ -54,7 +55,11 @@ public class LauncherLogger : ILogger
     public bool DebugLogEnabled
     {
         get => _compositeLogger.DebugLogEnabled;
-        set => _compositeLogger.DebugLogEnabled = value;
+        set
+        {
+            _compositeLogger.DebugLogEnabled = value;
+            _fileLogger.DebugLogEnabled = true;
+        }
     }
 
     public bool InfoLogEnabled

Mlaumcherb.Client.Avalonia/Mlaumcherb.Client.Avalonia.csproj

@@ -1,5 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
+        <Version>1.1.2</Version>
         <OutputType Condition="'$(Configuration)' == 'Debug'">Exe</OutputType>
         <OutputType Condition="'$(Configuration)' != 'Debug'">WinExe</OutputType>
         <TargetFramework>net8.0</TargetFramework>
@@ -11,18 +12,19 @@
         <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
         <ApplicationIcon>капитал\кубе.ico</ApplicationIcon>
         <AssemblyName>млаумчерб</AssemblyName>
-        <Configurations>Release;Debug</Configurations>
         <Platforms>x64</Platforms>
+        <!-- AXAML resource has no public constructor -->
+        <NoWarn>AVLN3001</NoWarn>
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="11.2.0" />
+        <PackageReference Include="Avalonia" Version="11.2.*" />
-        <PackageReference Include="Avalonia.Desktop" Version="11.2.0" />
+        <PackageReference Include="Avalonia.Desktop" Version="11.2.*" />
-        <PackageReference Include="Avalonia.Themes.Simple" Version="11.2.0" />
+        <PackageReference Include="Avalonia.Themes.Simple" Version="11.2.*" />
-        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.2.0" />
+        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.2.*" />
-        <PackageReference Include="Avalonia.Labs.Gif" Version="11.2.0" />
+        <PackageReference Include="Avalonia.Labs.Gif" Version="11.2.*" />
-        <PackageReference Include="CliWrap" Version="3.6.7" />
+        <PackageReference Include="CliWrap" Version="3.7.0" />
-        <PackageReference Include="DTLib" Version="1.6.1" />
+        <PackageReference Include="DTLib" Version="1.7.3" />
         <PackageReference Include="LZMA-SDK" Version="22.1.1" />
         <PackageReference Include="MessageBox.Avalonia" Version="3.2.0" />
         <PackageReference Include="Newtonsoft.Json" Version="13.*" />

Mlaumcherb.Client.Avalonia/зримое/GameVersionItemView.axaml

@@ -4,7 +4,7 @@
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
              xmlns:local="clr-namespace:Mlaumcherb.Client.Avalonia"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-             x:Class="Mlaumcherb.Client.Avalonia.зримое.VersionItemView"
+             x:Class="Mlaumcherb.Client.Avalonia.зримое.GameVersionItemView"
              Padding="2">
     <TextBlock Name="text" Background="Transparent"/>
 </UserControl>

Mlaumcherb.Client.Avalonia/зримое/GameVersionItemView.axaml.cs

@@ -0,0 +1,48 @@
+using Avalonia.Controls;
+using Avalonia.Media;
+using Avalonia.Threading;
+using Mlaumcherb.Client.Avalonia.классы;
+
+namespace Mlaumcherb.Client.Avalonia.зримое;
+
+public abstract partial class GameVersionItemView : ListBoxItem
+{
+    private static readonly SolidColorBrush _avaliableColor = new(Color.FromRgb(30, 130, 40));
+    private static readonly SolidColorBrush _unavaliableColor = new(Color.FromRgb(170, 70, 70));
+
+    protected GameVersionItemView(string name, bool initialStatus)
+    {
+        InitializeComponent();
+        text.Text = name;
+        UpdateBackground(initialStatus);
+    }
+
+    protected void UpdateBackground(bool isInstalled)
+    {
+        Dispatcher.UIThread.Invoke(() => Background = isInstalled ? _avaliableColor : _unavaliableColor);
+    }
+}
+
+// Background changes when props status changes
+public class InstalledGameVersionItemView : GameVersionItemView
+{
+    public readonly InstalledGameVersionProps Props;
+    
+    public InstalledGameVersionItemView(InstalledGameVersionProps props) : base(props.Id, props.IsInstalled)
+    {
+        Props = props;
+        props.StatusChanged += UpdateBackground;
+    }
+}
+
+// Background is set once by checking if the version is present in InstalledVersionsCatalog
+public class RemoteGameVersionItemView : GameVersionItemView
+{
+    public readonly RemoteVersionDescriptorProps Props;
+    
+    public RemoteGameVersionItemView(RemoteVersionDescriptorProps props) 
+        : base(props.id, LauncherApp.InstalledVersionCatalog.versions.ContainsKey(props.id))
+    {
+        Props = props;
+    }
+}

Mlaumcherb.Client.Avalonia/зримое/LauncherApp.axaml

@@ -25,6 +25,10 @@
             <Setter Property="MinWidth" Value="50"/>
         </Style>
         
+        <Style Selector="Button.button_dark">
+            <Setter Property="Background" Value="#65656070"/>
+        </Style>
+        
         <Style Selector="Border.menu_separator">
             <Setter Property="Background" Value="#ff505050"/>
             <Setter Property="Width" Value="1"/>

Mlaumcherb.Client.Avalonia/зримое/LauncherApp.axaml.cs

@@ -1,13 +1,17 @@
 using Avalonia;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Markup.Xaml;
+using Mlaumcherb.Client.Avalonia.классы;
+using Mlaumcherb.Client.Avalonia.сеть.Update;
+using Mlaumcherb.Client.Avalonia.холопы;
 
 namespace Mlaumcherb.Client.Avalonia.зримое;
 
 public class LauncherApp : Application
 {
     public static LauncherLogger Logger = new();
-    public static Config Config = new();
+    public static Config Config = null!;
+    public static InstalledVersionCatalog InstalledVersionCatalog = null!;
     
     public override void Initialize()
     {
@@ -16,10 +20,46 @@ public class LauncherApp : Application
         Logger.DebugLogEnabled = Config.debug;
         AvaloniaXamlLoader.Load(this);
         
-        // some file required by forge installer
+        try
-        if (!File.Exists("launcher_profiles.json"))
         {
-            File.WriteAllText("launcher_profiles.json", "{}");
+            SelfUpdateAsync();
+            
+            // some file required by forge installer
+            if (!File.Exists("launcher_profiles.json"))
+            {
+                File.WriteAllText("launcher_profiles.json", "{}");
+            }
+
+            InstalledVersionCatalog = InstalledVersionCatalog.Load();
+        }
+        catch (Exception e)
+        {
+            ErrorHelper.ShowMessageBox(nameof(LauncherApp), e);
+        }
+    }
+
+    private async void SelfUpdateAsync()
+    {
+        try
+        {
+            Logger.LogInfo(nameof(LauncherApp), "checking for updates...");
+            var upd = new UpdateHelper(Config.gitea);
+            upd.DeleteBackupFiles();
+            if (await upd.IsUpdateAvailable())
+            {
+                Logger.LogInfo(nameof(LauncherApp), "downloading update...");
+                await upd.UpdateSelf();
+                Logger.LogInfo(nameof(LauncherApp), "restarting...");
+                upd.RestartSelf();
+            }
+            else
+            {
+                Logger.LogInfo(nameof(LauncherApp), "no updates found");
+            }
+        }
+        catch (Exception e)
+        {
+            ErrorHelper.ShowMessageBox(nameof(LauncherApp), e);
         }
     }
 

Mlaumcherb.Client.Avalonia/зримое/MainWindow.axaml

@@ -34,20 +34,30 @@
                     <ScrollViewer Grid.Row="0" 
                               HorizontalScrollBarVisibility="Disabled"
                               VerticalScrollBarVisibility="Auto">
-                        <StackPanel Margin="10" Spacing="10">
+                        <StackPanel Margin="10" Spacing="6">
-                            <TextBlock>Версия:</TextBlock>
+                            <TextBlock>Ник:</TextBlock>
-                            <ComboBox Name="InstalledVersionComboBox"/>
+                            <TextBox Background="Transparent"
+                                     Text="{Binding #window.PlayerName}"/>
+                            
+                            <TextBlock>Версия игры:</TextBlock>
+                            <ComboBox Name="InstalledVersionCatalogComboBox"/>
+                            <Button Name="RescanInstalledVersionsButton" 
+                                    Click="RescanInstalledVersionsButton_OnClick"
+                                    Classes="button_dark">
+                                Обновить список
+                            </Button>
                             <Button Name="DeleteVersionButton" 
-                                    Click="DeleteVersionButton_OnClick">
+                                    Click="DeleteVersionButton_OnClick"
+                                    Classes="button_dark">
                                 Удалить версию
                             </Button>
                             
                             <Expander Header="Добавление версий"
                                       BorderThickness="1" BorderBrush="Gray"
                                       Padding="4">
-                                <StackPanel>
+                                <StackPanel Spacing="6">
                                     <TextBlock>Источник:</TextBlock>
-                                    <ComboBox Name="VersionCatalogComboBox"/>
+                                    <ComboBox Name="RemoteVersionCatalogComboBox"/>
                                     <WrapPanel>
                                         <CheckBox Name="ReleaseVersionTypeCheckBox" IsChecked="True">релиз</CheckBox>
                                         <CheckBox Name="SnapshotVersionTypeCheckBox">снапшот</CheckBox>
@@ -55,22 +65,20 @@
                                         <CheckBox Name="OtherVersionTypeAlphaCheckBox">другое</CheckBox>
                                     </WrapPanel>
                                     <Button Name="SearchVersionsButton"
-                                            Click="SearchVersionsButton_OnClick">
+                                            Click="SearchVersionsButton_OnClick"
+                                            Classes="button_dark">
                                         Поиск
                                     </Button>
                                     <TextBlock>Доступные версии:</TextBlock>
-                                    <ComboBox Name="VersionCatalogItemsComboBox"/>
+                                    <ComboBox Name="RemoteVersionCatalogItemsComboBox"/>
                                     <Button Name="AddVersionButton" IsEnabled="False"
-                                        Click="AddVersionButton_OnClick">
+                                        Click="AddVersionButton_OnClick"
+                                        Classes="button_dark">
                                         Добавить
                                     </Button>
                                 </StackPanel>
                             </Expander>
                             
-                            <TextBlock>Ник:</TextBlock>
-                            <TextBox Background="Transparent"
-                                     Text="{Binding #window.PlayerName}"/>
-                            
                             <TextBlock>
                                 <Run>Выделенная память:</Run>
                                 <TextBox Background="Transparent" Padding="0"
@@ -84,8 +92,8 @@
                                     Value="{Binding #window.MemoryLimit}">
                             </Slider>
                             
-                            <CheckBox IsChecked="{Binding #window.CheckGameFiles}">
+                            <CheckBox IsChecked="{Binding #window.UpdateGameFiles}">
-                                Проверять файлы игры
+                                Обновить файлы игры
                             </CheckBox>
                             <CheckBox IsChecked="{Binding #window.EnableJavaDownload}">
                                 Скачивать джаву
@@ -170,6 +178,7 @@
                     <Button Classes="menu_button button_no_border" Click="ОткрытьФайлЛогов">лог-файл</Button>
                 </StackPanel>
                 <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
+                    <TextBlock Name="LauncherVersionTextBox"/>
                     <Button Classes="menu_button button_no_border" Click="ОткрытьРепозиторий">исходный код</Button>
                     <gif:GifImage 
                         Width="30" Height="30" Stretch="Uniform"

Mlaumcherb.Client.Avalonia/зримое/MainWindow.axaml.cs

@@ -1,3 +1,4 @@
+using System.Reflection;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Data;
@@ -32,13 +33,13 @@ public partial class MainWindow : Window
         set => SetValue(MemoryLimitProperty, value);
     }
     
-    public static readonly StyledProperty<bool> CheckGameFilesProperty =
+    public static readonly StyledProperty<bool> UpdateGameFilesProperty =
-        AvaloniaProperty.Register<MainWindow, bool>(nameof(CheckGameFiles),
+        AvaloniaProperty.Register<MainWindow, bool>(nameof(UpdateGameFiles),
             defaultBindingMode: BindingMode.TwoWay, defaultValue: false);
-    public bool CheckGameFiles
+    public bool UpdateGameFiles
     {
-        get => GetValue(CheckGameFilesProperty);
+        get => GetValue(UpdateGameFilesProperty);
-        set => SetValue(CheckGameFilesProperty, value);
+        set => SetValue(UpdateGameFilesProperty, value);
     }
     
     
@@ -65,38 +66,79 @@ public partial class MainWindow : Window
         InitializeComponent();
     }
     
-    protected override async void OnLoaded(RoutedEventArgs e)
+    protected override void OnLoaded(RoutedEventArgs e)
     {
         try
         {
             LauncherApp.Logger.OnLogMessage += GuiLogMessage;
+            LauncherVersionTextBox.Text = $"v{Assembly.GetExecutingAssembly().GetName().Version}";
 
             PlayerName = LauncherApp.Config.player_name;
             MemoryLimit = LauncherApp.Config.max_memory;
             EnableJavaDownload = LauncherApp.Config.download_java;
             RedirectGameOutput = LauncherApp.Config.redirect_game_output;
             
-            InstalledVersionComboBox.SelectedIndex = 0;
+            foreach (var vc in LauncherApp.Config.version_catalogs)
-            InstalledVersionComboBox.IsEnabled = false;
-            var versions = await GameVersion.GetAllVersionsAsync();
-            Dispatcher.UIThread.Invoke(() =>
             {
-                foreach (var p in versions)
+                RemoteVersionCatalogComboBox.Items.Add(vc);
-                {
+            }
-                    InstalledVersionComboBox.Items.Add(new VersionItemView(p));
+            RemoteVersionCatalogComboBox.SelectedIndex = 0;
-                    // select last played version
-                    if (LauncherApp.Config.last_launched_version != null &&
-                        p.Name == LauncherApp.Config.last_launched_version)
-                        InstalledVersionComboBox.SelectedIndex = InstalledVersionComboBox.Items.Count - 1;
-                }
-                InstalledVersionComboBox.IsEnabled = true;
             
-                foreach (var vc in LauncherApp.Config.version_catalogs)
+            UpdateInstalledVersionsCatalogView(LauncherApp.Config.last_launched_version);
+        }
+        catch (Exception ex)
+        {
+            ErrorHelper.ShowMessageBox(nameof(MainWindow), ex);
+        }
+    }
+
+    protected override void OnUnloaded(RoutedEventArgs e)
+    {
+        SaveGuiPropertiesToConfig();
+    }
+
+    private void SaveGuiPropertiesToConfig()
+    {
+        LauncherApp.Config.player_name = PlayerName;
+        LauncherApp.Config.max_memory = MemoryLimit;
+        LauncherApp.Config.download_java = EnableJavaDownload;
+        LauncherApp.Config.redirect_game_output = RedirectGameOutput;
+        LauncherApp.Config.SaveToFile();
+    }
+    
+    private void UpdateInstalledVersionsCatalogView(string? selectVersion)
+    {
+        LauncherApp.InstalledVersionCatalog.CheckInstalledVersions();
+        InstalledVersionCatalogComboBox.IsEnabled = false;
+        InstalledVersionCatalogComboBox.Items.Clear();
+        foreach (var p in LauncherApp.InstalledVersionCatalog.versions)
+        {
+            InstalledVersionCatalogComboBox.Items.Add(new InstalledGameVersionItemView(p.Value));
+        }
+        
+        InstalledVersionCatalogComboBox.SelectedItem = null;
+        if(selectVersion is not null 
+           && LauncherApp.InstalledVersionCatalog.versions.TryGetValue(selectVersion, out var props))
+        {
+            foreach (InstalledGameVersionItemView? view in InstalledVersionCatalogComboBox.Items)
+            {
+                if (view?.Props.Id == props.Id)
                 {
-                    VersionCatalogComboBox.Items.Add(vc);
+                    InstalledVersionCatalogComboBox.SelectedItem = view;
+                    break;
                 }
-                VersionCatalogComboBox.SelectedIndex = 0;
+            }
-            });
+        }
+        
+        InstalledVersionCatalogComboBox.IsEnabled = true;
+    }
+
+    private void RescanInstalledVersionsButton_OnClick(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            var selectedVersionView = InstalledVersionCatalogComboBox.SelectedItem as InstalledGameVersionItemView;
+            UpdateInstalledVersionsCatalogView(selectedVersionView?.Props.Id);
         }
         catch (Exception ex)
         {
@@ -121,32 +163,35 @@ public partial class MainWindow : Window
     {
         try
         {
-            Dispatcher.UIThread.Invoke(() => LaunchButton.IsEnabled = false);
+            if (InstalledVersionCatalogComboBox.SelectedItem is not InstalledGameVersionItemView selectedVersionView) 
-            
-            var selectedVersionView = (VersionItemView?)InstalledVersionComboBox.SelectedItem;
-            var selectedVersion = selectedVersionView?.Props;
-            LauncherApp.Config.last_launched_version = selectedVersion?.Name;
-            LauncherApp.Config.player_name = PlayerName;
-            LauncherApp.Config.max_memory = MemoryLimit;
-            LauncherApp.Config.download_java = EnableJavaDownload;
-            LauncherApp.Config.redirect_game_output = RedirectGameOutput;
-            LauncherApp.Config.SaveToFile();
-            if (selectedVersion == null) 
                 return;
             
-            var v = await GameVersion.CreateFromPropsAsync(selectedVersion, CheckGameFiles);
+            Dispatcher.UIThread.Invoke(() => LaunchButton.IsEnabled = false);
-            await v.UpdateFiles(CheckGameFiles, nt =>
+            LauncherApp.Config.last_launched_version = selectedVersionView.Props.Id;
-                {
+            SaveGuiPropertiesToConfig();
-                    Dispatcher.UIThread.Invoke(() =>
+            
+            var v = await selectedVersionView.Props.LoadDescriptor(UpdateGameFiles);
+            
+            try
+            {
+                await v.Download(UpdateGameFiles, nt =>
                     {
-                        DownloadsPanel.Children.Add(new NetworkTaskView(nt,
+                        Dispatcher.UIThread.Invoke(() =>
-                            ntv => DownloadsPanel.Children.Remove(ntv)));
+                        {
-                    });
+                            DownloadsPanel.Children.Add(new NetworkTaskView(nt,
-                }
+                                ntv => DownloadsPanel.Children.Remove(ntv)));
-            );
+                        });
+                    }
+                );
+            }
+            catch (Exception ex)
+            {
+                ErrorHelper.ShowMessageBox(nameof(MainWindow), ex);
+            }
+            
             Dispatcher.UIThread.Invoke(() =>
             {
-                CheckGameFiles = false;
+                UpdateGameFiles = false;
             });
             await v.Launch();
         }
@@ -156,10 +201,7 @@ public partial class MainWindow : Window
         }
         finally
         {
-            Dispatcher.UIThread.Invoke(() =>
+            Dispatcher.UIThread.Invoke(() => LaunchButton.IsEnabled = true);
-            {
-                LaunchButton.IsEnabled = true;
-            });
         }
     }
 
@@ -167,7 +209,10 @@ public partial class MainWindow : Window
     {
         try
         {
-            Launcher.LaunchDirectoryInfoAsync(new DirectoryInfo(Directory.GetCurrent().ToString()))
+            string workingDir = Directory.GetCurrent().ToString();
+            LauncherApp.Logger.LogDebug(nameof(MainWindow), 
+                $"opening working directory: {workingDir}");
+            Launcher.LaunchDirectoryInfoAsync(new DirectoryInfo(workingDir))
                 .ConfigureAwait(false);
         }
         catch (Exception ex)
@@ -180,7 +225,10 @@ public partial class MainWindow : Window
     {
         try
         {
-            Launcher.LaunchFileInfoAsync(new FileInfo(LauncherApp.Logger.LogfileName.ToString()))
+            string logFilePath = LauncherApp.Logger.LogFilePath.ToString();
+            LauncherApp.Logger.LogDebug(nameof(MainWindow), 
+                $"opening log file: {logFilePath}");
+            Launcher.LaunchFileInfoAsync(new FileInfo(logFilePath))
                 .ConfigureAwait(false);
         }
         catch (Exception ex)
@@ -193,7 +241,10 @@ public partial class MainWindow : Window
     {
         try
         {
-            Launcher.LaunchUriAsync(new Uri("https://timerix.ddns.net:3322/Timerix/mlaumcherb"))
+            var sourcesUri = new Uri(LauncherApp.Config.gitea.GetRepoUrl());
+            LauncherApp.Logger.LogDebug(nameof(MainWindow), 
+                $"opening in web browser: {sourcesUri}");
+            Launcher.LaunchUriAsync(sourcesUri)
                 .ConfigureAwait(false);
         }
         catch (Exception ex)
@@ -218,71 +269,32 @@ public partial class MainWindow : Window
         DownloadsPanel.Children.Clear();
     }
     
-    private async void DeleteVersionButton_OnClick(object? sender, RoutedEventArgs e)
-    {
-        try
-        {
-            VersionItemView? sel = InstalledVersionComboBox.SelectedItem as VersionItemView;
-            if(sel is null)
-                return;
-        
-            var box = MessageBoxManager.GetMessageBoxCustom(new MessageBoxCustomParams
-                {
-                    ButtonDefinitions = new List<ButtonDefinition> { new() { Name = "Да" }, new() { Name = "Нет" } },
-                    ContentTitle = $"Удаление версии {sel.Props.Name}",
-                    ContentMessage = $"Вы уверены, что хотите удалить версию {sel.Props.Name}? Все файлы, включая сохранения, будут удалены!",
-                    Icon = MsBox.Avalonia.Enums.Icon.Question,
-                    WindowStartupLocation = WindowStartupLocation.CenterOwner,
-                    SizeToContent = SizeToContent.WidthAndHeight,
-                    ShowInCenter = true,
-                    Topmost = true
-                }
-            );
-            var result = await box.ShowAsync().ConfigureAwait(false);
-            if (result != "Да") 
-                return;
-            
-            sel.Props.DeleteFiles();
-            Dispatcher.UIThread.Invoke(() =>
-            {
-                InstalledVersionComboBox.Items.Remove(sel);
-            });
-        }
-        catch (Exception ex)
-        {
-            ErrorHelper.ShowMessageBox(nameof(MainWindow), ex);
-        }
-    }
-    
     private async void SearchVersionsButton_OnClick(object? sender, RoutedEventArgs e)
     {
         try 
         {
-            var catalogProps = VersionCatalogComboBox.SelectedItem as VersionCatalogProps;
+            if(RemoteVersionCatalogComboBox.SelectedItem is not GameVersionCatalogProps catalogProps)
-            if(catalogProps is null)
                 return;
 
             var catalog = await catalogProps.GetVersionCatalogAsync();
-            var searchParams = new VersionSearchParams();
+            var searchParams = new VersionSearchParams
-            Dispatcher.UIThread.Invoke(() =>
             {
-                searchParams.ReleaseTypeAllowed = ReleaseVersionTypeCheckBox.IsChecked ?? false;
+                ReleaseTypeAllowed = ReleaseVersionTypeCheckBox.IsChecked ?? false,
-                searchParams.SnapshotTypeAllowed = SnapshotVersionTypeCheckBox.IsChecked ?? false;
+                SnapshotTypeAllowed = SnapshotVersionTypeCheckBox.IsChecked ?? false,
-                searchParams.OldTypeAllowed = OldVersionTypeCheckBox.IsChecked ?? false;
+                OldTypeAllowed = OldVersionTypeCheckBox.IsChecked ?? false,
-                searchParams.OtherTypeAllowed = OtherVersionTypeAlphaCheckBox.IsChecked ?? false;
+                OtherTypeAllowed = OtherVersionTypeAlphaCheckBox.IsChecked ?? false
-            });
+            };
             var versions = catalog.GetDownloadableVersions(searchParams);
             
             Dispatcher.UIThread.Invoke(() =>
             {
-                VersionCatalogItemsComboBox.IsEnabled = false;
+                RemoteVersionCatalogItemsComboBox.IsEnabled = false;
-                VersionCatalogItemsComboBox.Items.Clear();
+                RemoteVersionCatalogItemsComboBox.Items.Clear();
                 foreach (var p in versions)
                 {
-                    VersionCatalogItemsComboBox.Items.Add(new VersionItemView(p));
+                    RemoteVersionCatalogItemsComboBox.Items.Add(new RemoteGameVersionItemView(p));
                 }
-                VersionCatalogItemsComboBox.SelectedIndex = 0;
+                RemoteVersionCatalogItemsComboBox.IsEnabled = true;
-                VersionCatalogItemsComboBox.IsEnabled = true;
                 AddVersionButton.IsEnabled = versions.Count > 0;
             });
         }
@@ -296,12 +308,57 @@ public partial class MainWindow : Window
     {
         try
         {
-            var selectedVersionView = VersionCatalogItemsComboBox.SelectedItem as VersionItemView;
+            if(RemoteVersionCatalogComboBox.SelectedItem is not GameVersionCatalogProps catalogProps)
-            if(selectedVersionView is null)
                 return;
             
-            InstalledVersionComboBox.Items.Insert(0, new VersionItemView(selectedVersionView.Props));
+            if(RemoteVersionCatalogItemsComboBox.SelectedItem is not RemoteGameVersionItemView sel)
-            InstalledVersionComboBox.SelectedIndex = 0;
+                return;
+            
+            var installedProps = new InstalledGameVersionProps(sel.Props.id, catalogProps, sel.Props);
+            if (!LauncherApp.InstalledVersionCatalog.versions.TryAdd(sel.Props.id, installedProps))
+                throw new Exception("Версия уже была добавлена");
+            LauncherApp.InstalledVersionCatalog.Save();
+            
+            var propsView = new InstalledGameVersionItemView(installedProps);
+            InstalledVersionCatalogComboBox.Items.Insert(0, propsView);
+            InstalledVersionCatalogComboBox.SelectedItem = propsView;
+        }
+        catch (Exception ex)
+        {
+            ErrorHelper.ShowMessageBox(nameof(MainWindow), ex);
+        }
+    }
+
+    private async void DeleteVersionButton_OnClick(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            if(InstalledVersionCatalogComboBox.SelectedItem is not InstalledGameVersionItemView sel)
+                return;
+        
+            var box = MessageBoxManager.GetMessageBoxCustom(new MessageBoxCustomParams
+                {
+                    ButtonDefinitions = new List<ButtonDefinition> { new() { Name = "Да" }, new() { Name = "Нет" } },
+                    ContentTitle = $"Удаление версии {sel.Props.Id}",
+                    ContentMessage = $"Вы уверены, что хотите удалить версию {sel.Props.Id}? Все файлы, включая сохранения, будут удалены!",
+                    Icon = MsBox.Avalonia.Enums.Icon.Question,
+                    WindowStartupLocation = WindowStartupLocation.CenterOwner,
+                    SizeToContent = SizeToContent.WidthAndHeight,
+                    ShowInCenter = true,
+                    Topmost = true
+                }
+            );
+            var result = await box.ShowAsync().ConfigureAwait(false);
+            if (result != "Да") 
+                return;
+            
+            sel.Props.Delete();
+            Dispatcher.UIThread.Invoke(() =>
+            {
+                InstalledVersionCatalogComboBox.Items.Remove(sel);
+                LauncherApp.InstalledVersionCatalog.versions.Remove(sel.Props.Id);
+                LauncherApp.InstalledVersionCatalog.Save();
+            });
         }
         catch (Exception ex)
         {

Mlaumcherb.Client.Avalonia/зримое/VersionItemView.axaml.cs

@@ -1,34 +0,0 @@
-using Avalonia.Controls;
-using Avalonia.Media;
-using Avalonia.Threading;
-using Mlaumcherb.Client.Avalonia.классы;
-
-namespace Mlaumcherb.Client.Avalonia.зримое;
-
-public partial class VersionItemView : ListBoxItem
-{
-    public GameVersionProps Props { get; }
-    private SolidColorBrush _avaliableColor = new(Color.FromRgb(30, 130, 40));
-    private SolidColorBrush _unavaliableColor = new(Color.FromRgb(170, 70, 70));
-
-    public VersionItemView()
-    {
-        throw new Exception();
-    }
-    
-    public VersionItemView(GameVersionProps props)
-    {
-        Props = props;
-        InitializeComponent();
-        text.Text = props.Name;
-        props.StatusChanged += UpdateBackground;
-        UpdateBackground(props.IsDownloaded);
-    }
-
-    private void UpdateBackground(bool isDownloaded)
-    {
-        Dispatcher.UIThread.Invoke(() => 
-            Background = isDownloaded ? _avaliableColor : _unavaliableColor
-        );
-    }
-}

Mlaumcherb.Client.Avalonia/классы/Буржуазия/GameVersionCatalog.cs

@@ -10,12 +10,12 @@ public record VersionSearchParams
 
 public class GameVersionCatalog
 { 
-    [JsonRequired] public List<RemoteVersionDescriptorProps> versions { get; set; } = null!;
+    [JsonRequired] public List<RemoteVersionDescriptorProps> versions { get; set; } = new();
     
     /// <returns>empty list if couldn't find any remote versions</returns>
-    public List<GameVersionProps> GetDownloadableVersions(VersionSearchParams p)
+    public List<RemoteVersionDescriptorProps> GetDownloadableVersions(VersionSearchParams p)
     {
-        var _versionPropsList = new List<GameVersionProps>();
+        var _versionPropsList = new List<RemoteVersionDescriptorProps>();
         foreach (var r in versions)
         {
             bool match = r.type switch
@@ -26,7 +26,7 @@ public class GameVersionCatalog
                 _ => p.OtherTypeAllowed
             };
             if(match)
-                _versionPropsList.Add(new GameVersionProps(r));
+                _versionPropsList.Add(r);
         }
         return _versionPropsList;
     }

Mlaumcherb.Client.Avalonia/классы/Буржуазия/GameVersionDescriptor.cs

@@ -10,7 +10,7 @@ public class GameVersionDescriptor
     [JsonRequired] public DateTime releaseTime { get; set; }
     [JsonRequired] public string type { get; set; } = "";
     [JsonRequired] public string mainClass { get; set; } = "";
-    [JsonRequired] public List<Library> libraries { get; set; } = null!;
+    [JsonRequired] public List<Library> libraries { get; set; } = new();
     [JsonRequired] public AssetIndexProperties assetIndex { get; set; } = null!;
     [JsonRequired] public string assets { get; set; } = "";
     public Downloads? downloads { get; set; } = null;
@@ -67,7 +67,7 @@ public class Library
     public List<Rule>? rules { get; set; }
     public Natives? natives { get; set; }
     public Extract? extract { get; set; }
-    [JsonRequired] public LibraryDownloads downloads { get; set; } = null!;
+    public LibraryDownloads? downloads { get; set; }
 }
 
 public class AssetIndexProperties

Mlaumcherb.Client.Avalonia/классы/Буржуазия/JavaVersionCatalog.cs

@@ -5,9 +5,9 @@ namespace Mlaumcherb.Client.Avalonia.классы;
 
 public class JavaVersionCatalog
 {
-    [JsonProperty("linux")]
-    public Dictionary<string, JavaVersionProps[]>? linux_x86 { get; set; }
     [JsonProperty("linux-i386")]
+    public Dictionary<string, JavaVersionProps[]>? linux_x86 { get; set; }
+    [JsonProperty("linux")]
     public Dictionary<string, JavaVersionProps[]>? linux_x64 { get; set; }
     [JsonProperty("mac-os")] 
     public Dictionary<string, JavaVersionProps[]>? osx_x64 { get; set; }
@@ -67,7 +67,7 @@ public class JavaVersionProps
 
 public class JavaDistributiveManifest
 {
-    [JsonRequired] public Dictionary<string, JavaDistributiveElementProps> files { get; set; } = null!;
+    [JsonRequired] public Dictionary<string, JavaDistributiveElementProps> files { get; set; } = new();
 }
 
 public class JavaDistributiveElementProps

Mlaumcherb.Client.Avalonia/классы/Пролетариат/FilesManifest.cs

@@ -1,30 +0,0 @@
-using Mlaumcherb.Client.Avalonia.холопы;
-
-namespace Mlaumcherb.Client.Avalonia.классы;
-
-public class ModpackFilesManifest
-{
-    public class FileProps
-    {
-        [JsonRequired] public string sha1 { get; set; }
-        public bool allow_edit { get; set; } = false;
-    }
-    
-    /// relative_path, hash
-    [JsonRequired] public Dictionary<string, FileProps> files { get; set; } = new();
-
-    public bool CheckFiles(IOPath basedir, bool checkHashes, HashSet<IOPath> unmatchedFilesLocalPaths)
-    {
-        foreach (var p in files)
-        {
-            var localPath = new IOPath(p.Key);
-            var realPath = Path.Concat(basedir, localPath);
-            if (!HashHelper.CheckFileSHA1(realPath, p.Value.sha1, checkHashes && !p.Value.allow_edit))
-            {
-                unmatchedFilesLocalPaths.Add(localPath);
-            }
-        }
-        
-        return unmatchedFilesLocalPaths.Count == 0;
-    }
-}

Mlaumcherb.Client.Avalonia/классы/Пролетариат/GameVersionCatalogProps.cs

@@ -3,14 +3,13 @@
 namespace Mlaumcherb.Client.Avalonia.классы;
 
 
-public class VersionCatalogProps
+public class GameVersionCatalogProps
 {
     [JsonRequired] public required string name { get; init; }
     [JsonRequired] public required string url { get; init; }
         
     public override string ToString() => name;
     
-    
     public async Task<GameVersionCatalog> GetVersionCatalogAsync()
     {
         return await NetworkHelper.DownloadStringAndDeserialize<GameVersionCatalog>(url);

Mlaumcherb.Client.Avalonia/классы/Пролетариат/GameVersionProps.cs

@@ -1,83 +0,0 @@
-using Mlaumcherb.Client.Avalonia.зримое;
-using Mlaumcherb.Client.Avalonia.холопы;
-
-namespace Mlaumcherb.Client.Avalonia.классы;
-
-public class GameVersionProps : IComparable<GameVersionProps>, IEquatable<GameVersionProps>
-{
-    public string Name { get; }
-    public IOPath LocalDescriptorPath { get; }
-    public RemoteVersionDescriptorProps? RemoteProps { get; }
-    private bool _isDownloaded;
-    public bool IsDownloaded
-    {
-        get => _isDownloaded;
-        set
-        {
-            if(_isDownloaded != value)
-            {
-                _isDownloaded = value;
-                StatusChanged?.Invoke(value);
-            }
-        }
-    }
-    public event Action<bool>? StatusChanged;
-
-    private GameVersionProps(string name, RemoteVersionDescriptorProps? remoteProps)
-    {
-        
-        Name = name;
-        RemoteProps = remoteProps;
-        LocalDescriptorPath = PathHelper.GetVersionDescriptorPath(name);
-        IsDownloaded = File.Exists(PathHelper.GetVersionJarFilePath(name));
-    }
-    
-    public GameVersionProps(string name) 
-        : this(name, null)
-    { }
-    
-    public GameVersionProps(RemoteVersionDescriptorProps remoteProps)
-        : this(remoteProps.id, remoteProps)
-    { }
-
-    public void DeleteFiles()
-    {
-        IsDownloaded = false;
-        LauncherApp.Logger.LogInfo(Name, "Deleting files...");
-        var verdir = PathHelper.GetVersionDir(Name);
-        if(Directory.Exists(verdir))
-            Directory.Delete(verdir);
-        LauncherApp.Logger.LogInfo(Name, "Files deleted");
-    }
-    
-    public override string ToString() => Name;
-
-    public override int GetHashCode() => Name.GetHashCode();
-
-    public int CompareTo(GameVersionProps? other)
-    {
-        if (ReferenceEquals(this, other)) return 0;
-        if (other is null) return 1;
-        
-        if (Version.TryParse(Name, out var version1) && Version.TryParse(other.Name, out var version2))
-        {
-            return version1.CompareTo(version2);
-        }
-        
-        return String.Compare(Name, other.Name, StringComparison.InvariantCulture);
-    }
-
-    public bool Equals(GameVersionProps? other)
-    {
-        if (other is null) return false;
-        if (ReferenceEquals(this, other)) return true;
-        return Name == other.Name;
-    }
-
-    public override bool Equals(object? obj)
-    {
-        if (obj is GameVersionProps other) return Equals(other);
-        if (ReferenceEquals(this, obj)) return true;
-        return false;
-    }
-}

Mlaumcherb.Client.Avalonia/классы/Пролетариат/InstalledGameVersionProps.cs

@@ -0,0 +1,137 @@
+using Mlaumcherb.Client.Avalonia.зримое;
+using Mlaumcherb.Client.Avalonia.сеть;
+using Mlaumcherb.Client.Avalonia.холопы;
+using Newtonsoft.Json.Linq;
+
+namespace Mlaumcherb.Client.Avalonia.классы;
+
+public class InstalledGameVersionProps : IComparable<InstalledGameVersionProps>, IEquatable<InstalledGameVersionProps>
+{
+    [JsonRequired] public string Id { get; }
+    public GameVersionCatalogProps? CatalogProps { get; set; }
+
+    public RemoteVersionDescriptorProps? DescriptorProps { get; set; }
+    
+
+    private bool _isInstalled;
+    [JsonIgnore]
+    public bool IsInstalled
+    {
+        get => _isInstalled;
+        set
+        {
+            _isInstalled = value;
+            StatusChanged?.Invoke(value);
+        }
+    }
+
+    [JsonIgnore] public IOPath DescriptorPath { get; }
+    
+    public event Action<bool>? StatusChanged;
+
+    public InstalledGameVersionProps(string id, GameVersionCatalogProps? catalogProps, RemoteVersionDescriptorProps? descriptorProps)
+    {
+        this.Id = id;
+        this.CatalogProps = catalogProps;
+        this.DescriptorProps = descriptorProps;
+        DescriptorPath = PathHelper.GetVersionDescriptorPath(id);
+        IsInstalled = File.Exists(PathHelper.GetVersionJarFilePath(id));
+    }
+
+    public async Task<GameVersion> LoadDescriptor(bool checkForUpdates)
+    {
+        // check if DescriptorProps had been changed on on remote version catalog server
+        if (checkForUpdates && CatalogProps is not null && DescriptorProps is not null)
+        {
+            var remoteCatalog = await NetworkHelper.DownloadStringAndDeserialize<GameVersionCatalog>(CatalogProps.url);
+
+            DescriptorProps = remoteCatalog.versions.Find(remoteProps => remoteProps.id == Id);
+            if(DescriptorProps is null)
+                LauncherApp.Logger.LogWarn(nameof(InstalledGameVersionProps), 
+                    $"Game version '{Id}' was deleted from remote catalog '{CatalogProps.name}'."
+                    + "It is kept locally, but can't be updated anymore.");
+        }
+        
+        // Descriptor is downloaded here
+        if (!HashHelper.CheckFileSHA1(DescriptorPath, DescriptorProps?.sha1, checkForUpdates))
+        {
+            if (DescriptorProps is null)
+                throw new NullReferenceException(
+                    $"can't download game version descriptor '{Id}', because RemoteDescriptor is null");
+            // download descriptor
+            await NetworkHelper.DownloadFile(DescriptorProps.url, DescriptorPath);
+        }
+
+        string descriptorText = File.ReadAllText(DescriptorPath);
+        JObject descriptorRaw =  JObject.Parse(descriptorText);
+        
+        // Descriptors can inherit from other descriptors.
+        // For example, timerix-anarx-2 inherits from 1.12.2-forge-14.23.5.2860, which inherits from 1.12.2
+        while (descriptorRaw.TryGetValue("inheritsFrom", out var v))
+        {
+            string parentDescriptorId = v.Value<string>() 
+                ?? throw new Exception("inheritsFrom is null");
+            LauncherApp.Logger.LogInfo(Id, $"merging descriptor '{parentDescriptorId}' with '{Id}'");
+            
+            IOPath parentDescriptorPath = PathHelper.GetVersionDescriptorPath(parentDescriptorId);
+            if (!File.Exists(parentDescriptorPath))
+                throw new Exception($"Версия '{Id} требует установить версию '{parentDescriptorId}'");
+            JObject parentDescriptorRaw = JObject.Parse(File.ReadAllText(parentDescriptorPath));
+            
+            // Remove `inheritsFrom: parentDescriptor.Id` to prevent overriding of `parentDescriptor.inheritsFrom`
+            descriptorRaw.Remove("inheritsFrom");
+            // Merge child descriptor into its parent.
+            // Child descriptor values override values of parent.
+            // Array values are merged together.
+            parentDescriptorRaw.Merge(descriptorRaw,
+                new JsonMergeSettings { MergeArrayHandling = MergeArrayHandling.Concat });
+            descriptorRaw = parentDescriptorRaw;
+        }
+
+        var descriptor = descriptorRaw.ToObject<GameVersionDescriptor>()
+                      ?? throw new Exception($"can't parse descriptor file '{DescriptorPath}'");
+        
+        return new GameVersion(this, descriptor);
+    }
+    
+    public void Delete()
+    {
+        if(!IsInstalled)
+            return;
+        
+        LauncherApp.Logger.LogInfo(Id, "Deleting files...");
+        var verdir = PathHelper.GetVersionDir(Id);
+        if(Directory.Exists(verdir))
+            Directory.Delete(verdir);
+        LauncherApp.Logger.LogInfo(Id, "Files deleted");
+        IsInstalled = false;
+    }
+    
+    public override string ToString() => Id;
+
+    public override int GetHashCode() => Id.GetHashCode();
+
+    public int CompareTo(InstalledGameVersionProps? other)
+    {
+        if (ReferenceEquals(this, other)) 
+            return 0;
+        if (other is null) 
+            return 1;
+        
+        return String.Compare(Id, other.Id, StringComparison.InvariantCulture);
+    }
+
+    public bool Equals(InstalledGameVersionProps? other)
+    {
+        if (other is null) return false;
+        if (ReferenceEquals(this, other)) return true;
+        return Id == other.Id;
+    }
+
+    public override bool Equals(object? obj)
+    {
+        if (obj is InstalledGameVersionProps other) return Equals(other);
+        if (ReferenceEquals(this, obj)) return true;
+        return false;
+    }
+}

Mlaumcherb.Client.Avalonia/классы/Пролетариат/InstalledVersionCatalog.cs

@@ -0,0 +1,78 @@
+using System.Linq;
+using Mlaumcherb.Client.Avalonia.зримое;
+using Mlaumcherb.Client.Avalonia.холопы;
+
+namespace Mlaumcherb.Client.Avalonia.классы;
+
+public class InstalledVersionCatalog
+{
+    /// version_id, props
+    [JsonRequired] public Dictionary<string, InstalledGameVersionProps> versions { get; set; } = new();
+
+    private IComparer<InstalledGameVersionProps> reverseComparer = new ReverseComparer<InstalledGameVersionProps>();
+    
+    public static InstalledVersionCatalog Load()
+    {
+        InstalledVersionCatalog catalog;
+        var installedCatalogPath = PathHelper.GetInstalledVersionCatalogPath();
+        if (!File.Exists(installedCatalogPath))
+        {
+            LauncherApp.Logger.LogDebug(nameof(InstalledVersionCatalog), "creating new catalog");
+            catalog = new InstalledVersionCatalog();
+        }
+        else
+        {
+            LauncherApp.Logger.LogDebug(nameof(InstalledVersionCatalog), "loading catalog from file");
+            catalog = JsonConvert.DeserializeObject<InstalledVersionCatalog>(
+                          File.ReadAllText(installedCatalogPath))
+                      ?? throw new NullReferenceException($"can't deserialize {installedCatalogPath}");
+        }
+
+        catalog.CheckInstalledVersions();
+        return catalog;
+    }
+
+    public void Save()
+    {
+        var installedCatalogPath = PathHelper.GetInstalledVersionCatalogPath();
+        LauncherApp.Logger.LogDebug(nameof(InstalledVersionCatalog), "saving catalog to file");
+        var text = JsonConvert.SerializeObject(this, Formatting.Indented);
+        File.WriteAllText(installedCatalogPath, text);
+        LauncherApp.Logger.LogDebug(nameof(InstalledVersionCatalog), "catalog has been saved");
+    }
+
+    /// <summary>
+    /// Check if any versions were installed or deleted manually.
+    /// Calls <see cref="Save"/>
+    /// </summary>
+    public void CheckInstalledVersions()
+    {
+        var versionsUpdated = new List<InstalledGameVersionProps>();
+        Directory.Create(PathHelper.GetVersionsDir());
+        foreach (var subdir in Directory.GetDirectories(PathHelper.GetVersionsDir()))
+        {
+            string id = subdir.LastName().ToString();
+            if (!File.Exists(PathHelper.GetVersionDescriptorPath(id)))
+            {
+                LauncherApp.Logger.LogWarn(nameof(CheckInstalledVersions), 
+                    $"Can't find version descriptor file in directory '{subdir}'. " +
+                    $"Rename it as directory name.");
+                continue;
+            }
+
+            if (versions.TryGetValue(id, out var foundProps))
+                versionsUpdated.Add(foundProps);
+            else versionsUpdated.Add(new InstalledGameVersionProps(id, null, null));
+        }
+
+        // reverse sort
+        versionsUpdated.Sort(reverseComparer);
+        // create dictionary from list
+        versions = new Dictionary<string, InstalledGameVersionProps>(
+            versionsUpdated.Select(props =>
+                new KeyValuePair<string, InstalledGameVersionProps>(props.Id, props)
+            ));
+        
+        Save();
+    }
+}

Mlaumcherb.Client.Avalonia/классы/Пролетариат/Libraries.cs

@@ -7,13 +7,28 @@ public class Libraries
 {
     private static readonly string[] enabled_features = [];
     
-    public record JarLib(string name, IOPath jarFilePath, Artifact artifact);
+    public record JarLib(string name, IOPath jarFilePath, Artifact? artifact);
-    public record NativeLib(string name, IOPath jarFilePath, Artifact artifact, Extract? extractionOptions) 
+    public record NativeLib(string name, IOPath jarFilePath, Artifact? artifact, Extract? extractionOptions) 
         : JarLib(name, jarFilePath, artifact);
     
     public IReadOnlyCollection<JarLib> Libs { get; }
 
-    private IOPath GetJarFilePath(Artifact artifact)
+    public static IOPath GetPathFromMavenName(string mavenName, string ext = "jar")
+    {
+        int sep_0 = mavenName.IndexOf(':');
+        if (sep_0 == -1)
+            throw new ArgumentException($"Invalid maven name: {mavenName}");
+        int sep_1 = mavenName.IndexOf(':', sep_0 + 1);
+        if (sep_1 == -1)
+            throw new ArgumentException($"Invalid maven name: {mavenName}");
+        var package = mavenName.Substring(0, sep_0).Replace('.', '/');
+        var artifact = mavenName.Substring(sep_0 + 1, sep_1 - sep_0 - 1);
+        var version = mavenName.Substring(sep_1 + 1);
+        string file_name = $"{artifact}-{version}.{ext}";
+        return Path.Concat(PathHelper.GetLibrariesDir(), package, artifact, version, file_name);
+    }
+    
+    private static IOPath GetPathFromArtifact(Artifact artifact)
     {
         string relativePath;
         if (!string.IsNullOrEmpty(artifact.path))
@@ -60,26 +75,30 @@ public class Libraries
                 }
                 
                 Artifact artifact = null!;
-                if(l.downloads.classifiers != null && !l.downloads.classifiers.TryGetValue(nativesKey, out artifact!))
+                if(l.downloads?.classifiers != null && !l.downloads.classifiers.TryGetValue(nativesKey, out artifact!))
                     throw new Exception($"can't find artifact for '{l.name}' with nativesKey '{nativesKey}'");
                 
                 // skipping duplicates (WHO THE HELL CREATES THIS DISCRIPTORS AAAAAAAAA)
                 if(!libHashes.Add(artifact.sha1))
                     continue;
                 
-                libs.Add(new NativeLib(l.name, GetJarFilePath(artifact), artifact, l.extract));
+                libs.Add(new NativeLib(l.name, GetPathFromArtifact(artifact), artifact, l.extract));
             }
             else
             {
-                Artifact? artifact = l.downloads.artifact;
+                Artifact? artifact = l.downloads?.artifact;
-                if (artifact == null)
+                if (artifact is null)
-                    throw new NullReferenceException($"artifact for '{l.name}' is null");
+                {
+                    libs.Add(new JarLib(l.name, GetPathFromMavenName(l.name), artifact));
+                }
+                else
+                {
+                    // skipping duplicates
+                    if (!libHashes.Add(artifact.sha1))
+                        continue;
 
-                // skipping duplicates
+                    libs.Add(new JarLib(l.name, GetPathFromArtifact(artifact), artifact));
-                if(!libHashes.Add(artifact.sha1))
+                }
-                    continue;
-                
-                libs.Add(new JarLib(l.name, GetJarFilePath(artifact), artifact));
             }
         }
 

Mlaumcherb.Client.Avalonia/классы/Пролетариат/MyModpack.cs

@@ -1,19 +0,0 @@
-namespace Mlaumcherb.Client.Avalonia.классы;
-
-public class MyModpackRemoteProps
-{
-    [JsonRequired] public int format_version { get; set; }
-    [JsonRequired] public Artifact artifact { get; set; } = null!;
-}
-
-public class MyModpackV1
-{
-
-    // 1
-    [JsonRequired] public int format_version { get; set; }
-    [JsonRequired] public string name { get; set; }
-    // zip archive with all files
-    [JsonRequired] public Artifact zip { get; set; } = null!;
-    // ModpackFilesManifest
-    [JsonRequired] public Artifact manifest { get; set; } = null!;
-}

Mlaumcherb.Client.Avalonia/классы/Пролетариат/MyModpackRemoteProps.cs

@@ -0,0 +1,7 @@
+namespace Mlaumcherb.Client.Avalonia.классы;
+
+public class MyModpackRemoteProps
+{
+    [JsonRequired] public int format_version { get; set; }
+    [JsonRequired] public Artifact artifact { get; set; } = null!;
+}

Mlaumcherb.Client.Avalonia/классы/Пролетариат/MyModpackV2.cs

@@ -0,0 +1,47 @@
+using Mlaumcherb.Client.Avalonia.холопы;
+
+namespace Mlaumcherb.Client.Avalonia.классы;
+
+public class MyModpackV2
+{
+    // 2
+    [JsonRequired] public int format_version { get; set; }
+    [JsonRequired] public string name { get; set; } = "";
+    /// relative_path, props
+    // ReSharper disable once CollectionNeverUpdated.Global
+    [JsonRequired] public Dictionary<string, FileProps> files { get; set; } = new();
+    
+    
+    public class FileProps
+    {
+        [JsonRequired] public Artifact artifact { get; set; } = null!;
+        // disable hash validation, allowing users to edit this file
+        public bool allow_edit { get; set; }
+        // don't re-download file if it was deleted by user
+        public bool optional { get; set; }
+    }
+
+    
+    public record FileCheckResult(FileProps props, IOPath relativePath, IOPath absolutePath); 
+    public List<FileCheckResult> CheckFiles(IOPath basedir, bool checkHashes, bool downloadOptionalFiles)
+    {
+        List<FileCheckResult> unmatchedFiles = new();
+        IOPath launcherRoot = PathHelper.GetRootFullPath();
+        foreach (var p in files)
+        {
+            if(!downloadOptionalFiles && p.Value.optional)
+                continue;
+            
+            IOPath relativePath = new IOPath(p.Key);
+            // libraries can be in modpacks, they are placed in global libraries directory
+            var absolutePath = Path.Concat(relativePath.StartsWith("libraries") 
+                ? launcherRoot : basedir, relativePath);
+            if (!HashHelper.CheckFileSHA1(absolutePath, p.Value.artifact.sha1, checkHashes && !p.Value.allow_edit))
+            {
+                unmatchedFiles.Add(new FileCheckResult(p.Value, relativePath, absolutePath));
+            }
+        }
+
+        return unmatchedFiles;
+    }
+}

Mlaumcherb.Client.Avalonia/сеть/NetworkHelper.cs

@@ -12,6 +12,7 @@ public static class NetworkHelper
         // thanks for Sashok :3
         // https://github.com/new-sashok724/Launcher/blob/23485c3f7de6620d2c6b7b2dd9339c3beb6a0366/Launcher/source/helper/IOHelper.java#L259
         _http.DefaultRequestHeaders.Add("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)");
+        _http.Timeout = TimeSpan.FromSeconds(4);
     }
 
     public static Task<string> GetString(string url, CancellationToken ct = default) => _http.GetStringAsync(url, ct);
@@ -42,23 +43,25 @@ public static class NetworkHelper
     }
     
     
-    public static async Task<string> ReadOrDownload(IOPath filePath, string url, 
+    /// <returns>(file_content, didDownload)</returns>
+    public static async Task<(string, bool)> ReadOrDownload(IOPath filePath, string url, 
         string? sha1, bool checkHashes)
     {
         if (HashHelper.CheckFileSHA1(filePath, sha1, checkHashes)) 
-            return File.ReadAllText(filePath);
+            return (File.ReadAllText(filePath), false);
         
         string txt = await NetworkHelper.GetString(url);
         File.WriteAllText(filePath, txt);
-        return txt;
+        return (txt, true);
     }
 
-    public static async Task<T> ReadOrDownloadAndDeserialize<T>(IOPath filePath, string url,
+    /// <returns>(file_content, didDownload)</returns>
+    public static async Task<(T, bool)> ReadOrDownloadAndDeserialize<T>(IOPath filePath, string url,
         string? sha1, bool checkHashes)
     {
-        string text = await ReadOrDownload(filePath, url, sha1, checkHashes);
+        (string text, bool didDownload) = await ReadOrDownload(filePath, url, sha1, checkHashes);
         var result = JsonConvert.DeserializeObject<T>(text)
                      ?? throw new Exception($"can't deserialize {typeof(T).Name}");
-        return result;
+        return (result, didDownload);
     }
 }

Mlaumcherb.Client.Avalonia/сеть/TaskFactories/AssetsDownloadTaskFactory.cs

@@ -22,24 +22,26 @@ public class AssetsDownloadTaskFactory : INetworkTaskFactory
     
     public async Task<NetworkTask?> CreateAsync(bool checkHashes)
     {
+        NetworkTask? networkTask = null;
         if (!await CheckFilesAsync(checkHashes))
-            return new NetworkTask(
+        {
+            networkTask = new NetworkTask(
                 $"assets '{_descriptor.assetIndex.id}'",
                 GetTotalSize(),
                 Download
             );
+        }
         
-        return null;
+        return networkTask;
     }
     private async Task<bool> CheckFilesAsync(bool checkHashes)
     {
-        var assetIndex = await ReadOrDownloadAndDeserialize<AssetIndex>(
+        (AssetIndex assetIndex, _) = await ReadOrDownloadAndDeserialize<AssetIndex>(
             _indexFilePath,
             _descriptor.assetIndex.url, 
             _descriptor.assetIndex.sha1,
             checkHashes);
         
-        _assetsToDownload.Clear();
         // removing duplicates for Dictionary (idk how can it be possible, but Newtonsoft.Json creates them)
         HashSet<string> assetHashes = new HashSet<string>();
         foreach (var pair in assetIndex.objects)

Mlaumcherb.Client.Avalonia/сеть/TaskFactories/JavaDownloadTaskFactory.cs

@@ -28,11 +28,14 @@ public class JavaDownloadTaskFactory : INetworkTaskFactory
         
         NetworkTask? networkTask = null;
         if (!CheckFiles(checkHashes))
-            networkTask = new(
+        {
-                    $"java runtime '{_descriptor.javaVersion.component}'",
+            networkTask = new NetworkTask(
-                    GetTotalSize(),
+                $"java runtime '{_descriptor.javaVersion.component}'",
-                    Download
+                GetTotalSize(),
-                );
+                Download
+            );
+        }
+        
         return networkTask;
     }
 

Mlaumcherb.Client.Avalonia/сеть/TaskFactories/LibrariesDownloadTaskFactory.cs

@@ -24,11 +24,14 @@ public class LibrariesDownloadTaskFactory : INetworkTaskFactory
     {
         NetworkTask? networkTask = null;
         if (!CheckFiles(checkHashes))
+        {
             networkTask = new NetworkTask(
                 $"libraries '{_descriptor.id}'",
                 GetTotalSize(),
                 Download
             );
+        }
+        
         return Task.FromResult(networkTask);
     }
     
@@ -39,14 +42,20 @@ public class LibrariesDownloadTaskFactory : INetworkTaskFactory
         
         foreach (var l in _libraries.Libs)
         {
-            if (!HashHelper.CheckFileSHA1(l.jarFilePath, l.artifact.sha1, checkHashes))
+            if (l is Libraries.NativeLib native)
             {
-                _libsToDownload.Add(l);
+                //TODO: replace with actual native libraries check
+                if(!nativeDirExists || checkHashes)
+                {
+                    _libsToDownload.Add(l);
+                }
             }
-            //TODO: replace with actual native assets check
+            else
-            else if (!nativeDirExists && l is Libraries.NativeLib)
             {
-                _libsToDownload.Add(l);
+                if (!HashHelper.CheckFileSHA1(l.jarFilePath, l.artifact?.sha1, checkHashes))
+                {
+                    _libsToDownload.Add(l);
+                }
             }
         }
 
@@ -57,7 +66,7 @@ public class LibrariesDownloadTaskFactory : INetworkTaskFactory
     {
         long total = 0;
         foreach (var l in _libsToDownload)
-            total += l.artifact.size;
+            total += l.artifact?.size ?? 0;
         return total;
     }
 
@@ -73,24 +82,21 @@ public class LibrariesDownloadTaskFactory : INetworkTaskFactory
         await Parallel.ForEachAsync(_libsToDownload, opt, async (l, _ct) =>
         {
             LauncherApp.Logger.LogDebug(nameof(NetworkHelper), $"downloading library '{l.name}' to '{l.jarFilePath}'");
-            if(string.IsNullOrEmpty(l.artifact.url))
+            if(string.IsNullOrEmpty(l.artifact?.url))
                 throw new Exception($"library '{l.name}' doesn't have a url to download");
             await DownloadFile(l.artifact.url, l.jarFilePath, _ct, pr.AddBytesCount);
             if (l is Libraries.NativeLib n)
             {
                 await using var zipf = File.OpenRead(n.jarFilePath);
-                //TODO: replace following code with manual extraction
+                using var archive = new ZipArchive(zipf);
-                ZipFile.ExtractToDirectory(zipf, _nativesDir.ToString(), true);
+                foreach (var entry in archive.Entries)
-                if (n.extractionOptions?.exclude != null)
                 {
-                    foreach (var excluded in n.extractionOptions.exclude)
+                    if (n.extractionOptions?.exclude?.Contains(entry.FullName) is true or null) 
-                    {
+                        continue;
-                        IOPath path = Path.Concat(_nativesDir, excluded);
+                    
-                        if(Directory.Exists(path))
+                    var real_path = Path.Concat(_nativesDir, entry.FullName);
-                            Directory.Delete(path);
+                    Directory.Create(real_path.ParentDir());
-                        if(File.Exists(path))
+                    entry.ExtractToFile(real_path.ToString(), true);
-                            File.Delete(path);
-                    }
                 }
             }
         });

Mlaumcherb.Client.Avalonia/сеть/TaskFactories/ModpackDownloadTaskFactory.cs

@@ -1,7 +1,4 @@
-using System.IO.Compression;
+using Mlaumcherb.Client.Avalonia.классы;
-using Mlaumcherb.Client.Avalonia.зримое;
-using Mlaumcherb.Client.Avalonia.классы;
-using Mlaumcherb.Client.Avalonia.холопы;
 
 namespace Mlaumcherb.Client.Avalonia.сеть.TaskFactories;
 
@@ -13,9 +10,10 @@ public class ModpackDownloadTaskFactory : INetworkTaskFactory
     {
         if(descriptor.modpack is null)
             throw new ArgumentNullException(nameof(descriptor.modpack));
+        
         _implementationVersion = descriptor.modpack.format_version switch
         {
-            1 => new MyModpackV1DownloadTaskFactory(descriptor),
+            2 => new MyModpackV2DownloadTaskFactory(descriptor),
             _ => throw new Exception($"Unknown Modpack format_version: {descriptor.modpack.format_version}")
         };
     }
@@ -25,78 +23,3 @@ public class ModpackDownloadTaskFactory : INetworkTaskFactory
         return _implementationVersion.CreateAsync(checkHashes);
     }
 }
-
-public class MyModpackV1DownloadTaskFactory : INetworkTaskFactory
-{
-    private IOPath _modpackManifesPath;
-    private readonly GameVersionDescriptor _descriptor;
-    private IOPath _modpackDescriptorPath;
-    private IOPath _versionDir;
-    private MyModpackV1? _modpack;
-    private ModpackFilesManifest? _modpackManifest;
-    private HashSet<IOPath> _filesToDosnload = new();
-
-    public MyModpackV1DownloadTaskFactory(GameVersionDescriptor descriptor)
-    {
-        _descriptor = descriptor;
-        _modpackDescriptorPath = PathHelper.GetModpackDescriptorPath(_descriptor.id);
-        _modpackManifesPath = PathHelper.GetModpackManifestPath(_descriptor.id);
-        _versionDir = PathHelper.GetVersionDir(_descriptor.id);
-    }
-    
-    public async Task<NetworkTask?> CreateAsync(bool checkHashes)
-    {
-        if(_descriptor.modpack is null)
-            throw new ArgumentNullException(nameof(_descriptor.modpack));
-
-
-        _modpack = await NetworkHelper.ReadOrDownloadAndDeserialize<MyModpackV1>(
-            _modpackDescriptorPath,
-            _descriptor.modpack.artifact.url, 
-            _descriptor.modpack.artifact.sha1,
-            checkHashes);
-        if (_modpack.format_version != _descriptor.modpack.format_version)
-            throw new Exception($"Modpack.format_version mismatches descriptor.modpack.version: " +
-                                $"{_modpack.format_version} != {_descriptor.modpack.format_version}");
-
-        _modpackManifest = await NetworkHelper.ReadOrDownloadAndDeserialize<ModpackFilesManifest>(
-            _modpackManifesPath,
-            _modpack.manifest.url, 
-            _modpack.manifest.sha1, 
-            checkHashes);
-
-        if(!_modpackManifest.CheckFiles(_versionDir, checkHashes, _filesToDosnload))
-            return new NetworkTask(
-                $"modpack '{_descriptor.assetIndex.id}'",
-                _modpack.zip.size,
-                Download
-            );
-
-        return null;
-    }
-
-    private async Task Download(NetworkProgressReporter pr, CancellationToken ct)
-    {
-        LauncherApp.Logger.LogInfo(nameof(NetworkHelper), $"started downloading modpack '{_modpack!.name}'");
-        if(string.IsNullOrEmpty(_modpack.zip.url))
-            throw new Exception($"modpack '{_modpack.name}' doesn't have a url to download");
-
-        var _archivePath = Path.Concat("downloads/modpacks", _modpack.name + ".zip");
-        await NetworkHelper.DownloadFile(_modpack.zip.url, _archivePath, ct, pr.AddBytesCount);
-        
-        await using var zipf = File.OpenRead(_archivePath);
-        using var archive = new ZipArchive(zipf);
-        foreach (var entry in archive.Entries)
-        {
-            IOPath localPath = new(entry.FullName);
-            if(_filesToDosnload.Contains(localPath))
-            {
-                var real_path = Path.Concat(_versionDir, localPath);
-                Directory.Create(real_path.ParentDir());
-                entry.ExtractToFile(real_path.ToString(), true);
-            }
-        }
-        
-        LauncherApp.Logger.LogInfo(nameof(NetworkHelper), $"finished downloading modpack '{_modpack.name}'");
-    }
-}

Mlaumcherb.Client.Avalonia/сеть/TaskFactories/MyModpackV2DownloadTaskFactory.cs

@@ -0,0 +1,71 @@
+using System.Linq;
+using Mlaumcherb.Client.Avalonia.зримое;
+using Mlaumcherb.Client.Avalonia.классы;
+using Mlaumcherb.Client.Avalonia.холопы;
+
+namespace Mlaumcherb.Client.Avalonia.сеть.TaskFactories;
+
+public class MyModpackV2DownloadTaskFactory : INetworkTaskFactory
+{
+    private readonly GameVersionDescriptor _descriptor;
+    private IOPath _modpackDescriptorPath;
+    private IOPath _versionDir;
+    private MyModpackV2? _modpack;
+    // relative, absolute
+    private List<MyModpackV2.FileCheckResult> _filesToDownload = new();
+
+    public MyModpackV2DownloadTaskFactory(GameVersionDescriptor descriptor)
+    {
+        _descriptor = descriptor;
+        _modpackDescriptorPath = PathHelper.GetModpackDescriptorPath(_descriptor.id);
+        _versionDir = PathHelper.GetVersionDir(_descriptor.id);
+    }
+    
+    public async Task<NetworkTask?> CreateAsync(bool checkHashes)
+    {
+        if(_descriptor.modpack is null)
+            throw new ArgumentNullException(nameof(_descriptor.modpack));
+        
+        (_modpack, bool didDownloadModpackDescriptor) = await NetworkHelper.ReadOrDownloadAndDeserialize<MyModpackV2>(
+            _modpackDescriptorPath,
+            _descriptor.modpack.artifact.url, 
+            _descriptor.modpack.artifact.sha1,
+            checkHashes);
+        if (_modpack.format_version != _descriptor.modpack.format_version)
+            throw new Exception($"Modpack.format_version mismatches descriptor.modpack.version: " +
+                                $"{_modpack.format_version} != {_descriptor.modpack.format_version}");
+        
+        NetworkTask? networkTask = null;
+        _filesToDownload = _modpack.CheckFiles(_versionDir, checkHashes, didDownloadModpackDescriptor);
+        if(_filesToDownload.Count > 0)
+        {
+            networkTask = new NetworkTask(
+                $"modpack '{_modpack.name}'",
+                _filesToDownload.Sum(f => f.props.artifact.size),
+                Download
+            );
+        }
+
+        return networkTask;
+    }
+
+    private async Task Download(NetworkProgressReporter pr, CancellationToken ct)
+    {
+        LauncherApp.Logger.LogInfo(nameof(NetworkHelper), $"started downloading modpack '{_modpack!.name}'");
+
+        ParallelOptions opt = new()
+        {
+            MaxDegreeOfParallelism = LauncherApp.Config.max_parallel_downloads,
+            CancellationToken = ct
+        };
+        await Parallel.ForEachAsync(_filesToDownload, opt, async (f, _ct) =>
+        {
+            LauncherApp.Logger.LogDebug(nameof(NetworkHelper), $"downloading file '{f.relativePath}'");
+            if(string.IsNullOrEmpty(f.props.artifact.url))
+                throw new Exception($"file '{f.relativePath}' doesn't have a url to download");
+            await NetworkHelper.DownloadFile(f.props.artifact.url, f.absolutePath, _ct, pr.AddBytesCount);
+        });
+        
+        LauncherApp.Logger.LogInfo(nameof(NetworkHelper), $"finished downloading modpack '{_modpack.name}'");
+    }
+}

Mlaumcherb.Client.Avalonia/сеть/TaskFactories/VersionJarDownloadTaskFactory.cs

@@ -20,11 +20,14 @@ public class VersionJarDownloadTaskFactory : INetworkTaskFactory
     {
         NetworkTask? networkTask = null;
         if (!CheckFiles(checkHashes))
+        {
             networkTask = new NetworkTask(
-                    $"game version jar '{_descriptor.id}'",
+                $"game version jar '{_descriptor.id}'",
-                    GetTotalSize(),
+                GetTotalSize(),
-                    Download
+                Download
-                );
+            );
+        }
+        
         return Task.FromResult(networkTask);
     }
 

Mlaumcherb.Client.Avalonia/сеть/Update/Gitea.cs

@@ -0,0 +1,38 @@
+using System.Linq;
+
+namespace Mlaumcherb.Client.Avalonia.сеть.Update;
+
+public class Release
+{
+    [JsonRequired] public int id { get; set; }
+    [JsonRequired] public string tag_name { get; set; } = "";
+    [JsonRequired] public DateTime created_at { get; set; }
+    // ReSharper disable once CollectionNeverUpdated.Global
+    public List<Asset> assets { get; set; } = new();
+    
+    public class Asset
+    {
+        [JsonRequired] public int id { get; set; }
+        [JsonRequired] public string name { get; set; } = "";
+        [JsonRequired] public int size { get; set; }
+        [JsonRequired] public DateTime created_at { get; set; }
+        [JsonRequired] public string browser_download_url { get; set; } = "";
+
+        public async Task Download(IOPath localPath)
+        {
+            await NetworkHelper.DownloadFile(browser_download_url, localPath);
+        }
+    }
+
+    public Asset? FindAssetByName(string name) => 
+        assets.FirstOrDefault(a => a.name == name);
+}
+
+public class GiteaClient(string ServerUrl)
+{
+    public async Task<Release> GetLatestRelease(string user, string repo)
+    {
+        string url = $"{ServerUrl}/api/v1/repos/{user}/{repo}/releases/latest";
+        return await NetworkHelper.DownloadStringAndDeserialize<Release>(url);
+    }
+}

Mlaumcherb.Client.Avalonia/сеть/Update/UpdateHelper.cs

@@ -0,0 +1,76 @@
+using System.Diagnostics;
+using System.Reflection;
+
+namespace Mlaumcherb.Client.Avalonia.сеть.Update;
+
+public class UpdateHelper
+{
+    private readonly string _executableName = "млаумчерб.exe";
+    private readonly IOPath executablePathActual;
+    private readonly IOPath executablePathOld;
+    private readonly IOPath executablePathNew;
+
+    private readonly GiteaConfig _giteaConfig;
+    
+    public class GiteaConfig
+    {
+        [JsonRequired] public required string serverUrl { get; set; }
+        [JsonRequired] public required string user { get; set; }
+        [JsonRequired] public required string repo { get; set; }
+        
+        public string GetRepoUrl() => $"{serverUrl}/{user}/{repo}";
+    }
+    
+    
+    public UpdateHelper(GiteaConfig giteaConfig)
+    {
+        _giteaConfig = giteaConfig;
+        executablePathActual = _executableName;
+        executablePathOld = _executableName + ".old";
+        executablePathNew = _executableName + ".new";
+        Gitea = new GiteaClient(giteaConfig.serverUrl);
+    }
+
+    public GiteaClient Gitea { get; }
+
+    public void DeleteBackupFiles()
+    {
+        if(File.Exists(executablePathOld))
+            File.Delete(executablePathOld);
+    }
+    
+    public async Task<bool> IsUpdateAvailable()
+    {
+        var latest = await Gitea.GetLatestRelease(_giteaConfig.user, _giteaConfig.repo);
+        if (!Version.TryParse(latest.tag_name, out var latestVersion))
+            throw new Exception($"Can't parse version of latest release: {latest.tag_name}");
+
+        Version? currentVersion = Assembly.GetExecutingAssembly().GetName().Version;
+        if(currentVersion is null)
+            throw new Exception($"Can't get current version from {Assembly.GetExecutingAssembly().GetName()}");
+
+        return currentVersion < latestVersion;
+    }
+
+    public async Task UpdateSelf()
+    {
+        if(File.Exists(executablePathNew))
+            File.Delete(executablePathNew);
+        
+        var latest = await Gitea.GetLatestRelease(_giteaConfig.user, _giteaConfig.repo);
+        var asset = latest.FindAssetByName(_executableName);
+        if(asset == null)
+            throw new Exception($"Can't find updated executable on gitea: {_executableName}");
+        await asset.Download(executablePathNew);
+        
+        File.Move(executablePathActual, executablePathOld, true);
+        File.Move(executablePathNew, executablePathActual, true);
+    }
+
+    public void RestartSelf()
+    {
+        Process.Start(executablePathActual.ToString());
+        Thread.Sleep(500);
+        Environment.Exit(0);
+    }
+}

Mlaumcherb.Client.Avalonia/холопы/HashHelper.cs

@@ -24,8 +24,8 @@ public static class HashHelper
         if (!File.Exists(f))
             return false;
         
-        if(checkHash)
+        if(checkHash && sha1 is not null)
-            return sha1 is not null && HashFileSHA1(f) == sha1;
+            return HashFileSHA1(f) == sha1;
 
         return true;
     }

Mlaumcherb.Client.Avalonia/холопы/PathHelper.cs

@@ -40,14 +40,17 @@ public static class PathHelper
 
     public static IOPath GetJavaBinDir(string id) =>
         Path.Concat(GetJavaRuntimeDir(id), "bin");
-    public static IOPath GetJavaExecutablePath(string id, bool debug)
+    public static IOPath GetJavaExecutablePath(string id, bool redirectOutput)
     {
         string executable_name = "java";
-        if (debug)
+        if (!redirectOutput)
-            executable_name += "w";
+            executable_name = "javaw";
         if(OperatingSystem.IsWindows())
             executable_name += ".exe";
-        return Path.Concat(GetJavaBinDir(id), executable_name);
+        var path = Path.Concat(GetJavaBinDir(id), executable_name);
+        if(!redirectOutput && !File.Exists(path))
+            return GetJavaExecutablePath(id, true);
+        return path;
     }
 
     public static string GetLog4jConfigFileName() => "log4j.xml";
@@ -58,6 +61,8 @@ public static class PathHelper
     public static IOPath GetModpackDescriptorPath(string game_version) => 
         Path.Concat(GetVersionDir(game_version), "timerix_modpack.json");
 
-    public static IOPath GetModpackManifestPath(string game_version) => 
+    public static IOPath GetCacheDir() =>
-        Path.Concat(GetVersionDir(game_version), "timerix_modpack_files.json");
+        Path.Concat(GetRootFullPath(), "cache");
+    public static IOPath GetInstalledVersionCatalogPath() =>
+        Path.Concat(GetCacheDir(), "installed_versions.json");
 }

Mlaumcherb.Client.Avalonia/холопы/ReverseComparer.cs

@@ -0,0 +1,12 @@
+namespace Mlaumcherb.Client.Avalonia.холопы;
+
+// compares Y with X instead of X with Y
+public class ReverseComparer<T> : IComparer<T> where T : IComparable<T>
+{
+    public int Compare(T? x, T? y)
+    {
+        if (y is null)
+            return x is null ? 0 : -1;
+        return y.CompareTo(x);
+    }
+}

README.md

@@ -0,0 +1,14 @@
+# Mlaumcherb - a minecraft laumcherb
+
+<img src="./images/cheems.png" alt="silly-dog-picture" style="width:200px;"/>
+
+## Features
+- Downloads minecraft from mojang server or any other
+- Downloads java or uses whatever you specified in config
+- Downloads modpacks of my custom format
+- Automatic launcher updates from git releases
+
+## How to build
+```sh
+./build.sh selfcontained
+```

build.sh

@@ -29,19 +29,21 @@ case "$mode" in
 		args="$args_selfcontained"
 		;;
 	*)
-		echo "ПОЛЬЗОВАНИЕ: ./собрать.sh [способ]"
+		echo "ПОЛЬЗОВАНИЕ: ./build.sh [способ]"
 		echo "  СПОСОБЫ:"
-		echo "    бинарное   - компилирует промежуточный (управляемый) код в машинный вместе с рантаймом"
+		echo "    aot, native, бинарное   - компилирует промежуточный (управляемый) код в машинный вместе с рантаймом"
-		echo "    небинарное - приделывает промежуточный (управляемый) код к рантайму"
+		echo "    self-contained, selfcontained, небинарное - приделывает промежуточный (управляемый) код к рантайму"
-		echo "  Оба способа собирают программу в один файл, который не является 80-мегабайтовым умственно отсталым кубом. Он 20-мегабайтовый >w<"
+		echo "  Оба способа собирают программу в один файл, который не является 80-мегабайтовым умственно отсталым кубом.\
+ Он 20-мегабайтовый >w<"
 		exit 1
 		;;
 esac
 
 rm -rf "$outdir"
+# when internet breaks again add --source /mnt/c/Users/User/.nuget/packages/ 
 command="dotnet publish -c Release -o $outdir $args"
 echo "$command"
 $command
 
 find "$outdir" -name '*.pdb' -delete -printf "deleted '%p'\n"
-ls -shk "$outdir" | sort -h
+tree -sh "$outdir"

mlaumcherb.sln

@@ -5,6 +5,8 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SolutionFolder", "SolutionFolder", "{A3217C18-CC0D-4CE8-9C48-1BDEC1E1B333}"
 	ProjectSection(SolutionItems) = preProject
 		.gitignore = .gitignore
+		README.md = README.md
+		build.sh = build.sh
 	EndProjectSection
 EndProject
 Global