From 8c5875afbe96f16e4324d3d5c56b582bb49710c1 Mon Sep 17 00:00:00 2001
From: Kemal Setya Adhi <dev.kemalsetyaa@gmail.com>
Date: Sun, 19 Nov 2023 22:51:43 +0700
Subject: [PATCH] Fix HSR Delta-patching not working on moving files

---
 .../Classes/RepairManagement/StarRail/Fetch.cs  | 17 +++++++++++------
 CollapseLauncher/packages.lock.json             |  6 ------
 .../ClassStruct/Class/GameDataStructure.cs      | 13 +++++++++++++
 3 files changed, 24 insertions(+), 12 deletions(-)

diff --git a/CollapseLauncher/Classes/RepairManagement/StarRail/Fetch.cs b/CollapseLauncher/Classes/RepairManagement/StarRail/Fetch.cs
index fdbd65411..e4b1a8607 100644
--- a/CollapseLauncher/Classes/RepairManagement/StarRail/Fetch.cs
+++ b/CollapseLauncher/Classes/RepairManagement/StarRail/Fetch.cs
@@ -36,9 +36,15 @@ private async Task Fetch(List<FilePropertiesRemote> assetIndex, CancellationToke
                 Dictionary<string, int> hashtable = new Dictionary<string, int>();
                 await GetPrimaryManifest(httpClient, token, assetIndex, hashtable);
 
-                // If the this._isOnlyRecoverMain && base._isVersionOverride is true, store the _originAssetIndex from assetIndex
+                // If the this._isOnlyRecoverMain && base._isVersionOverride is true, copy the asset index into the _originAssetIndex
                 if (this._isOnlyRecoverMain && base._isVersionOverride)
-                    _originAssetIndex = new List<FilePropertiesRemote>(assetIndex);
+                {
+                    _originAssetIndex = new List<FilePropertiesRemote>();
+                    foreach (FilePropertiesRemote asset in assetIndex)
+                    {
+                        _originAssetIndex.Add(asset.Copy());
+                    }
+                }
 
                 // Subscribe the fetching progress and subscribe StarRailMetadataTool progress to adapter
                 _innerGameVersionManager.StarRailMetadataTool.HttpEvent += _httpClient_FetchAssetProgress;
@@ -82,7 +88,7 @@ private async Task GetPrimaryManifest(Http client, CancellationToken token, List
             List<PkgVersionProperties> pkgVersion = new List<PkgVersionProperties>();
 
             // Initialize repo metadata
-            bool isSuccess = true;
+            bool isSuccess = false;
             try
             {
                 // Get the metadata
@@ -100,9 +106,8 @@ private async Task GetPrimaryManifest(Http client, CancellationToken token, List
             // If the base._isVersionOverride is true, then throw. This sanity check is required if the delta patch is being performed.
             catch when (base._isVersionOverride) { throw; }
 
-            // If the base._isVersionOverride is false and the repo metadata is null,
-            // then fetch the asset index from CDN (also check if the status is success)
-            if (!base._isVersionOverride && isSuccess)
+            // Fetch the asset index from CDN (also check if the status is success)
+            if (isSuccess)
             {
                 // Set asset index URL
                 string urlIndex = string.Format(LauncherConfig.AppGameRepairIndexURLPrefix, _gameVersionManager.GamePreset.ProfileName, _gameVersion.VersionString) + ".bin";
diff --git a/CollapseLauncher/packages.lock.json b/CollapseLauncher/packages.lock.json
index 2cf4bf87b..1cc24753d 100644
--- a/CollapseLauncher/packages.lock.json
+++ b/CollapseLauncher/packages.lock.json
@@ -96,12 +96,6 @@
           "Microsoft.WindowsAppSDK": "1.4.230913002"
         }
       },
-      "Microsoft.NET.ILLink.Tasks": {
-        "type": "Direct",
-        "requested": "[8.0.0, )",
-        "resolved": "8.0.0",
-        "contentHash": "B3etT5XQ2nlWkZGO2m/ytDYrOmSsQG1XNBaM6ZYlX5Ch/tDrMFadr0/mK6gjZwaQc55g+5+WZMw4Cz3m8VEF7g=="
-      },
       "Microsoft.Windows.CsWin32": {
         "type": "Direct",
         "requested": "[0.3.49-beta, )",
diff --git a/Hi3Helper.Core/Classes/Shared/ClassStruct/Class/GameDataStructure.cs b/Hi3Helper.Core/Classes/Shared/ClassStruct/Class/GameDataStructure.cs
index 547596d80..25936e8a5 100644
--- a/Hi3Helper.Core/Classes/Shared/ClassStruct/Class/GameDataStructure.cs
+++ b/Hi3Helper.Core/Classes/Shared/ClassStruct/Class/GameDataStructure.cs
@@ -26,6 +26,19 @@ public class FilePropertiesRemote : IAssetIndexSummary
         public bool IsBlockNeedRepair { get; set; }
         public bool IsHasHashMark { get; set; }
 
+        public FilePropertiesRemote Copy() => new FilePropertiesRemote
+        {
+            N = N,
+            RN = RN,
+            CRC = CRC,
+            M = M,
+            FT = FT,
+            S = S,
+            IsPatchApplicable = IsPatchApplicable,
+            IsBlockNeedRepair = IsBlockNeedRepair,
+            IsHasHashMark = IsHasHashMark,
+        };
+
         public string PrintSummary() => $"File [T: {FT}]: {N}\t{SummarizeSizeSimple(S)} ({S} bytes)";
         public long GetAssetSize() => FT == FileType.Unused ? 0 : S;
         public string GetRemoteURL() => RN;