add support for Modrinth Mod Pack installation

ProjBobcat/ProjBobcat/Class/Helper/FileTypeHelper.cs

@@ -0,0 +1,35 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using ProjBobcat.Class.Model;
+using SharpCompress.Archives;
+
+namespace ProjBobcat.Class.Helper;
+
+public static class FileTypeHelper
+{
+ public static async Task<AssetFileType> TryDetectFileTypeAsync(string filePath)
+ {
+ if(!File.Exists(filePath)) throw new IOException("File not found.");
+
+ var extension = Path.GetExtension(filePath);
+
+ switch (extension)
+ {
+ case ".mrpack":
+ return AssetFileType.ModrinthModPack;
+ case ".zip":
+ {
+ await using var fs = File.OpenRead(filePath);
+ using var archive = ArchiveFactory.Open(fs);
+
+ if(archive.Entries.Any(e => e.Key.Equals("manifest.json", StringComparison.OrdinalIgnoreCase))) return AssetFileType.CurseForgeModPack;
+ if(archive.Entries.Any(e => e.Key.Equals("modrinth.index.json", StringComparison.OrdinalIgnoreCase))) return AssetFileType.ModrinthModPack;
+ break;
+ }
+ }
+
+ return AssetFileType.Unknown;
+ }
+}

ProjBobcat/ProjBobcat/Class/Model/AssetFileType.cs

@@ -0,0 +1,8 @@
+namespace ProjBobcat.Class.Model;
+
+public enum AssetFileType
+{
+ CurseForgeModPack,
+ ModrinthModPack,
+ Unknown
+}

ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthModPackFileModel.cs

@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace ProjBobcat.Class.Model.Modrinth;
+
+public class ModrinthModPackFileModel
+{
+ [JsonPropertyName("path")]
+ public string? Path { get; set; }
+
+ [JsonPropertyName("hashes")]
+ public Dictionary<string, string> Hashes { get; set; }
+
+ [JsonPropertyName("downloads")]
+ public string[] Downloads { get; set; }
+
+ [JsonPropertyName("fileSize")]
+ public long Size { get; set; }
+}

ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthModPackIndexModel.cs

@@ -0,0 +1,34 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace ProjBobcat.Class.Model.Modrinth;
+
+public class ModrinthModPackIndexModel
+{
+ [JsonPropertyName("formatVersion")]
+ public int FormatVersion { get; set; }
+
+ [JsonPropertyName("game")]
+ public string? Game { get; set; }
+
+ [JsonPropertyName("versionId")]
+ public string? VersionId { get; set; }
+
+ [JsonPropertyName("name")]
+ public string? Name { get; set; }
+
+ [JsonPropertyName("summary")]
+ public string? Summary { get; set; }
+
+ [JsonPropertyName("files")]
+ public ModrinthModPackFileModel[] Files { get; set; }
+
+ [JsonPropertyName("dependencies")]
+ public Dictionary<string, string> Dependencies { get; set; }
+}
+
+[JsonSerializable(typeof(ModrinthModPackIndexModel))]
+partial class ModrinthModPackIndexModelContext : JsonSerializerContext
+{
+
+}

ProjBobcat/ProjBobcat/DefaultComponent/Installer/CurseForgeInstaller.cs → ProjBobcat/ProjBobcat/DefaultComponent/Installer/ModPackInstaller/CurseForgeInstaller.cs

@@ -9,17 +9,13 @@
 using ProjBobcat.Class.Helper;
 using ProjBobcat.Class.Model;
 using ProjBobcat.Class.Model.CurseForge;
-using ProjBobcat.Event;
 using ProjBobcat.Interface;
 using SharpCompress.Archives;
 
-namespace ProjBobcat.DefaultComponent.Installer;
+namespace ProjBobcat.DefaultComponent.Installer.ModPackInstaller;
 
-public class CurseForgeInstaller : InstallerBase, ICurseForgeInstaller
+public sealed class CurseForgeInstaller : ModPackInstallerBase, ICurseForgeInstaller
 {
- readonly ConcurrentBag<DownloadFile> _failedFiles = new();
- int _totalDownloaded, _needToDownload;
-
  public string ModPackPath { get; set; }
  public string GameId { get; set; }
 
@@ -33,6 +29,10 @@ public async Task InstallTaskAsync()
  InvokeStatusChangedEvent("开始安装", 0);
 
  var manifest = await ReadManifestTask();
+
+ if(manifest == default)
+ throw new Exception("无法读取到 CurseForge 的 manifest 文件");
+
  var idPath = Path.Combine(RootPath, GamePathHelper.GetGamePath(GameId));
  var downloadPath = Path.Combine(Path.GetFullPath(idPath), "mods");
 
@@ -41,7 +41,7 @@ public async Task InstallTaskAsync()
  if (!di.Exists)
  di.Create();
 
- _needToDownload = manifest.Files.Length;
+ NeedToDownload = manifest.Files.Length;
 
  var urlBlock = new TransformManyBlock<IEnumerable<CurseForgeFileModel>, (long, long)>(urls =>
  {
@@ -65,9 +65,9 @@ public async Task InstallTaskAsync()
 
  urlBags.Add(downloadFile);
 
- _totalDownloaded++;
+ TotalDownloaded++;
 
- var progress = (double)_totalDownloaded / _needToDownload * 100;
+ var progress = (double)TotalDownloaded / NeedToDownload * 100;
 
  InvokeStatusChangedEvent($"成功解析 MOD [{t.Item1}] 的下载地址",
  progress);
@@ -84,21 +84,21 @@ public async Task InstallTaskAsync()
 
  await actionBlock.Completion;
 
- _totalDownloaded = 0;
+ TotalDownloaded = 0;
  await DownloadHelper.AdvancedDownloadListFile(urlBags, new DownloadSettings
  {
  DownloadParts = 4,
  RetryCount = 10,
  Timeout = (int)TimeSpan.FromMinutes(1).TotalMilliseconds
  });
 
- if (!_failedFiles.IsEmpty)
- throw new NullReferenceException("未能下载全部的 Mods");
+ if (!FailedFiles.IsEmpty)
+ throw new Exception("未能下载全部的 Mods");
 
  using var archive = ArchiveFactory.Open(Path.GetFullPath(ModPackPath));
 
- _totalDownloaded = 0;
- _needToDownload = archive.Entries.Count();
+ TotalDownloaded = 0;
+ NeedToDownload = archive.Entries.Count();
 
  foreach (var entry in archive.Entries)
  {
@@ -124,12 +124,12 @@ public async Task InstallTaskAsync()
  ? $"...{subPath[(subPathLength - 15)..]}"
  : subPath;
 
- InvokeStatusChangedEvent($"解压缩安装文件：{subPathName}", (double)_totalDownloaded / _needToDownload * 100);
+ InvokeStatusChangedEvent($"解压缩安装文件：{subPathName}", (double)TotalDownloaded / NeedToDownload * 100);
 
  await using var fs = File.OpenWrite(path);
  entry.WriteTo(fs);
 
- _totalDownloaded++;
+ TotalDownloaded++;
  }
 
  InvokeStatusChangedEvent("安装完成", 100);
@@ -150,22 +150,4 @@ public async Task InstallTaskAsync()
 
  return manifestModel;
  }
-
- void WhenCompleted(object? sender, DownloadFileCompletedEventArgs e)
- {
- if (sender is not DownloadFile file) return;
-
- _totalDownloaded++;
-
- var progress = (double)_totalDownloaded / _needToDownload * 100;
- var retryStr = file.RetryCount > 0 ? $"[重试 - {file.RetryCount}] " : string.Empty;
- var fileName = file.FileName.Length > 20
- ? $"{file.FileName[..20]}..."
- : file.FileName;
-
- InvokeStatusChangedEvent($"{retryStr}下载整合包中的 Mods - {fileName} ({_totalDownloaded} / {_needToDownload})",
- progress);
-
- if (!(e.Success ?? false)) _failedFiles.Add(file);
- }
 }

ProjBobcat/ProjBobcat/DefaultComponent/Installer/ModPackInstaller/ModPackInstallerBase.cs

@@ -0,0 +1,29 @@
+using System.Collections.Concurrent;
+using ProjBobcat.Class.Model;
+using ProjBobcat.Event;
+
+namespace ProjBobcat.DefaultComponent.Installer.ModPackInstaller;
+
+public class ModPackInstallerBase : InstallerBase
+{
+ protected readonly ConcurrentBag<DownloadFile> FailedFiles = new();
+ protected int TotalDownloaded, NeedToDownload;
+
+ protected void WhenCompleted(object? sender, DownloadFileCompletedEventArgs e)
+ {
+ if (sender is not DownloadFile file) return;
+
+ TotalDownloaded++;
+
+ var progress = (double)TotalDownloaded / NeedToDownload * 100;
+ var retryStr = file.RetryCount > 0 ? $"[重试 - {file.RetryCount}] " : string.Empty;
+ var fileName = file.FileName.Length > 20
+ ? $"{file.FileName[..20]}..."
+ : file.FileName;
+
+ InvokeStatusChangedEvent($"{retryStr}下载整合包中的 Mods - {fileName} ({TotalDownloaded} / {NeedToDownload})",
+ progress);
+
+ if (!(e.Success ?? false)) FailedFiles.Add(file);
+ }
+}

ProjBobcat/ProjBobcat/DefaultComponent/Installer/ModPackInstaller/ModrinthInstaller.cs

@@ -0,0 +1,138 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text.Json;
+using System.Threading.Tasks;
+using ProjBobcat.Class.Helper;
+using ProjBobcat.Class.Model;
+using ProjBobcat.Class.Model.Modrinth;
+using ProjBobcat.Interface;
+using SharpCompress.Archives;
+
+namespace ProjBobcat.DefaultComponent.Installer.ModPackInstaller;
+
+public sealed class ModrinthInstaller : ModPackInstallerBase, IModrinthInstaller
+{
+ public string GameId { get; set; }
+ public string ModPackPath { get; set; }
+
+ public async Task<ModrinthModPackIndexModel?> ReadIndexTask()
+ {
+ using var archive = ArchiveFactory.Open(Path.GetFullPath(ModPackPath));
+ var manifestEntry =
+ archive.Entries.FirstOrDefault(x => x.Key.Equals("modrinth.index.json", StringComparison.OrdinalIgnoreCase));
+
+ if (manifestEntry == default)
+ return default;
+
+ await using var stream = manifestEntry.OpenEntryStream();
+
+ var manifestModel = await JsonSerializer.DeserializeAsync(stream, ModrinthModPackIndexModelContext.Default.ModrinthModPackIndexModel);
+
+ return manifestModel;
+ }
+
+ public void Install()
+ {
+ InstallTaskAsync().Wait();
+ }
+
+ public async Task InstallTaskAsync()
+ {
+ InvokeStatusChangedEvent("开始安装", 0);
+
+ var index = await ReadIndexTask();
+
+ if (index == default)
+ throw new Exception("无法读取到 Modrinth 的 manifest 文件");
+
+ var idPath = Path.Combine(RootPath, GamePathHelper.GetGamePath(GameId));
+ var downloadPath = Path.Combine(Path.GetFullPath(idPath), "mods");
+
+ var di = new DirectoryInfo(downloadPath);
+
+ if (!di.Exists)
+ di.Create();
+
+ var downloadFiles = new List<DownloadFile>();
+
+ foreach (var file in index.Files)
+ {
+ if (string.IsNullOrEmpty(file.Path)) continue;
+ if(file.Downloads.Length == 0) continue;
+
+ var fullPath = Path.Combine(idPath, file.Path);
+ var downloadDir = Path.GetDirectoryName(fullPath);
+ var fileName = Path.GetFileName(fullPath);
+ var checkSum = file.Hashes.TryGetValue("sha1", out var sha1) ? sha1 : string.Empty;
+
+ var df = new DownloadFile
+ {
+ CheckSum = checkSum,
+ DownloadPath = downloadDir,
+ DownloadUri = file.Downloads.RandomSample(),
+ FileName = fileName,
+ FileSize = file.Size
+ };
+ df.Completed += WhenCompleted;
+
+ downloadFiles.Add(df);
+ }
+
+ TotalDownloaded = 0;
+ NeedToDownload = downloadFiles.Count;
+ await DownloadHelper.AdvancedDownloadListFile(downloadFiles, new DownloadSettings
+ {
+ DownloadParts = 4,
+ RetryCount = 10,
+ Timeout = (int)TimeSpan.FromMinutes(1).TotalMilliseconds,
+ CheckFile = true,
+ HashType = HashType.SHA1
+ });
+
+ if (!FailedFiles.IsEmpty)
+ throw new NullReferenceException("未能下载全部的 Mods");
+
+ using var archive = ArchiveFactory.Open(Path.GetFullPath(ModPackPath));
+
+ TotalDownloaded = 0;
+ NeedToDownload = archive.Entries.Count();
+
+ const string decompressPrefix = "overrides";
+
+ foreach (var entry in archive.Entries)
+ {
+ if (!entry.Key.StartsWith(decompressPrefix, StringComparison.OrdinalIgnoreCase)) continue;
+
+ var subPath = entry.Key[(decompressPrefix.Length + 1)..];
+ if (string.IsNullOrEmpty(subPath)) continue;
+
+ var path = Path.Combine(Path.GetFullPath(idPath), subPath);
+ var dirPath = Path.GetDirectoryName(path);
+
+ if (!Directory.Exists(dirPath))
+ Directory.CreateDirectory(dirPath);
+ if (entry.IsDirectory)
+ {
+ if (!Directory.Exists(path))
+ Directory.CreateDirectory(path);
+ continue;
+ }
+
+ var subPathLength = subPath.Length;
+ var subPathName = subPathLength > 35
+ ? $"...{subPath[(subPathLength - 15)..]}"
+ : subPath;
+
+ InvokeStatusChangedEvent($"解压缩安装文件：{subPathName}", (double)TotalDownloaded / NeedToDownload * 100);
+
+ await using var fs = File.OpenWrite(path);
+ entry.WriteTo(fs);
+
+ TotalDownloaded++;
+ }
+
+ InvokeStatusChangedEvent("安装完成", 100);
+ }
+}