added support for modpack defined in version descriptor

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

@@ -26,7 +26,7 @@ public class GameVersionCatalog
                 _ => p.OtherTypeAllowed
             };
             if(match)
-                _versionPropsList.Add(new GameVersionProps(r.id, r.url));
+                _versionPropsList.Add(new GameVersionProps(r));
         }
         return _versionPropsList;
     }

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

@@ -17,6 +17,9 @@ public class GameVersionDescriptor
     public JavaVersion javaVersion { get; set; } = new() { component = "jre-legacy", majorVersion = 8 };
     public string? minecraftArguments { get; set; }
     public ArgumentsNew? arguments { get; set; }
+    
+    // my additions
+    public MyModpackRemoteProps? modpack { get; set; }
 }
 
 public class Artifact

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

@@ -0,0 +1,30 @@
+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/GameVersionProps.cs

@@ -7,7 +7,7 @@ public class GameVersionProps : IComparable<GameVersionProps>, IEquatable<GameVe
 {
     public string Name { get; }
     public IOPath LocalDescriptorPath { get; }
-    public string? RemoteDescriptorUrl { get; }
+    public RemoteVersionDescriptorProps? RemoteProps { get; }
     private bool _isDownloaded;
     public bool IsDownloaded
     {
@@ -23,13 +23,22 @@ public class GameVersionProps : IComparable<GameVersionProps>, IEquatable<GameVe
     }
     public event Action<bool>? StatusChanged;
 
-    public GameVersionProps(string name, string? url)
+    private GameVersionProps(string name, RemoteVersionDescriptorProps? remoteProps)
     {
+        
         Name = name;
+        RemoteProps = remoteProps;
         LocalDescriptorPath = PathHelper.GetVersionDescriptorPath(name);
-        RemoteDescriptorUrl = url;
         IsDownloaded = File.Exists(PathHelper.GetVersionJarFilePath(name));
     }
+    
+    public GameVersionProps(string name) 
+        : this(name, null)
+    { }
+    
+    public GameVersionProps(RemoteVersionDescriptorProps remoteProps)
+        : this(remoteProps.id, remoteProps)
+    { }
 
     public void DeleteFiles()
     {

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

@@ -0,0 +1,19 @@
+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!;
+}