From 763054884b6d1426798a5dbfb0d0a8d480598654 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BD=95=E5=86=A0=E5=B3=B0?= <hevinci@hotmail.com>
Date: Fri, 13 Dec 2024 11:00:30 +0800
Subject: [PATCH] fix #387

---
 .../BaseTasks/TaskCreateManifest.cs           | 24 +++++++++++++++++++
 .../BuildSystem/ErrorCode.cs                  |  1 +
 2 files changed, 25 insertions(+)

diff --git a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BaseTasks/TaskCreateManifest.cs b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BaseTasks/TaskCreateManifest.cs
index 18659647..2653ee04 100644
--- a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BaseTasks/TaskCreateManifest.cs
+++ b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildPipeline/BaseTasks/TaskCreateManifest.cs
@@ -25,6 +25,9 @@ namespace YooAsset.Editor
             var buildParameters = buildParametersContext.Parameters;
             string packageOutputDirectory = buildParametersContext.GetPackageOutputDirectory();
 
+            // 检测资源包哈希冲突
+            CheckBundleHashConflict(buildMapContext);
+
             // 创建新补丁清单
             PackageManifest manifest = new PackageManifest();
             manifest.FileVersion = YooAssetSettings.ManifestFileVersion;
@@ -88,6 +91,27 @@ namespace YooAsset.Editor
             }
         }
 
+        /// <summary>
+        /// 检测资源包哈希冲突
+        /// </summary>
+        private void CheckBundleHashConflict(BuildMapContext buildMapContext)
+        {
+            // 说明：在特殊情况下，例如某些文件加密算法会导致加密后的文件哈希值冲突！
+            HashSet<string> guids = new HashSet<string>();
+            foreach (var bundleInfo in buildMapContext.Collection)
+            {
+                if (guids.Contains(bundleInfo.PackageFileHash))
+                {
+                    string message = BuildLogger.GetErrorMessage(ErrorCode.BundleHashConflict, $"Bundle hash conflict : {bundleInfo.BundleName}");
+                    throw new Exception(message);
+                }
+                else
+                {
+                    guids.Add(bundleInfo.PackageFileHash);
+                }
+            }
+        }
+
         /// <summary>
         /// 获取资源包的依赖集合
         /// </summary>
diff --git a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/ErrorCode.cs b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/ErrorCode.cs
index 2fb0bdb2..ec5c3e93 100644
--- a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/ErrorCode.cs
+++ b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/ErrorCode.cs
@@ -39,5 +39,6 @@ namespace YooAsset.Editor
         // TaskCreateManifest
         NotFoundUnityBundleInBuildResult = 600,
         FoundStrayBundle = 601,
+        BundleHashConflict = 602,
     }
 }
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