准备为添加BundleResourceHelper资源解密函数

Author: DESKTOP-UBV38B7\codingworks

Assets/Game/Scripts/Base/GameMode.cs

@@ -42,10 +42,6 @@ public class GameMode : MonoBehaviour
 	    /// 资源本地路径
 	    /// </summary>
 	    public PathType LocalPathType = PathType.ReadOnly;
-	    /// <summary>
-	    /// ab资源默认包名称
-	    /// </summary>
-	    public string AssetBundleName = "AssetBundles/AssetBundles";
 		/// <summary>
 		/// 资源更新的路径
 		/// </summary>
@@ -70,7 +66,6 @@ IEnumerator Start()
             Resource.ResUpdateType = ResUpdateType;
 	        Resource.ResUpdatePath = ResUpdatePath;
 	        Resource.LocalPathType = LocalPathType;
-	        Resource.RootAssetBundle = AssetBundleName;
             #endregion
 
             #region WebRequest

Assets/Game/Scripts/Editor/GameModeEditor.cs

@@ -256,8 +256,6 @@ void DrawEditorModeGUI()
 				}
 
 				EditorGUILayout.LabelField("Path", path);
-				_gameMode.AssetBundleName =
-                    EditorGUILayout.TextField("AssetBundle Name", _gameMode.AssetBundleName);
             }
 
             GUILayout.EndVertical();

Assets/Game/Scripts/Resource/EditorResourceHelper.cs

@@ -22,7 +22,7 @@ namespace GameFramework.Taurus
 {
     public class EditorResourceHelper : IResourceHelper
     {
-        public void SetResourcePath(PathType pathType, string rootAssetBundle = "AssetBundles/AssetBundles")
+        public void SetResourcePath(PathType pathType, string rootAssetBundle = "AssetBundles/AssetBundles", bool isEncrypt=false)
         {
         }
 

Assets/Game/Scripts/State/LoadResourceState.cs

@@ -9,6 +9,8 @@
 
 using System.Collections;
 using System.Collections.Generic;
+using System.IO;
+using UnityEngine;
 
 namespace GameFramework.Taurus
 {
@@ -19,8 +21,15 @@ public class LoadResourceState : GameState
 		public override void OnEnter(params object[] parameters)
 		{
 			base.OnEnter(parameters);
-			//设置ab包的加载方式
-			GameMode.Resource.SetResourceHelper(new BundleResourceHelper());
+            
+		    string localPath = Path.Combine(GameMode.Resource.LocalPath, "AssetVersion.txt");
+		    AssetBundleVersionInfo versionInfo = JsonUtility.FromJson<AssetBundleVersionInfo>(File.ReadAllText(localPath));
+            
+            //设置ab包的加载方式
+            GameMode.Resource.SetResourceHelper(new BundleResourceHelper());
+            //加载ab包的mainfest文件
+		    GameMode.Resource.SetMainfestAssetBundle(versionInfo.ManifestAssetBundle, versionInfo.IsEncrypt);
+
 		}
 
 		public override void OnExit()

Assets/GameFramework/Resource/BundleResourceHelper .cs

@@ -9,6 +9,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.IO;
 using UnityEngine;
 using UnityEngine.SceneManagement;
 using Object = UnityEngine.Object;
@@ -28,7 +29,7 @@ public sealed class BundleResourceHelper : IResourceHelper
 		/// 设置资源的路径,默认是为只读路径:Application.streamingAssetsPath;
 		/// </summary>
 		/// <param name="path"></param>
-		public void SetResourcePath(PathType pathType, string rootAssetBundle = "AssetBundles/AssetBundles")
+		public void SetResourcePath(PathType pathType, string rootAssetBundle = "AssetBundles/AssetBundles",bool isEncrypt=false)
 		{
 			switch (pathType)
 			{
@@ -56,8 +57,14 @@ public void SetResourcePath(PathType pathType, string rootAssetBundle = "AssetBu
 			int index = rootAssetBundle.LastIndexOf("/");
 			if (index > 0 && index < (rootAssetBundle.Length - 1))
 				directionPath += "/" + rootAssetBundle.Substring(0, index);
-			//加载mainfest文件
-			LoadPlatformMainfest(rootABPath, directionPath);
+            //加载mainfest文件
+            if (!isEncrypt)
+                LoadPlatformMainfest(rootABPath, directionPath);
+		    else
+		    {
+		        EnciphererKey keyAsset = Resources.Load("Key") as EnciphererKey;
+		        LoadPlatformMainfest(rootABPath, directionPath, keyAsset);
+            }
 		}
 
 		/// <summary>
@@ -162,10 +169,10 @@ public void Clear()
 		/// <summary>
 		/// 加载mainfest
 		/// </summary>
-		private void LoadPlatformMainfest(string rootBundleaPath, string folderPath)
+		private void LoadPlatformMainfest(string rootBundlePath, string folderPath)
 		{
 			//string assetBundlePath = _readPath + "/AssetBundles";
-			AssetBundle mainfestAssetBundle = AssetBundle.LoadFromFile(rootBundleaPath);
+			AssetBundle mainfestAssetBundle = AssetBundle.LoadFromFile(rootBundlePath);
 			_mainfest = mainfestAssetBundle.LoadAsset<AssetBundleManifest>("AssetBundleManifest");//
 			string[] assetBundleNames = _mainfest.GetAllAssetBundles();
 			foreach (var item in assetBundleNames)
@@ -182,7 +189,30 @@ private void LoadPlatformMainfest(string rootBundleaPath, string folderPath)
 			}
 			mainfestAssetBundle.Unload(false);
 		}
-		#endregion
 
-	}
+	    private void LoadPlatformMainfest(string rootBundlePath, string folerPath,EnciphererKey keyAsset)
+        {
+            //从内存中加载&解密
+            //
+            //DirectoryInfo dir = new DirectoryInfo(folerPath);
+            //FileSystemInfo[] infos = dir.GetFileSystemInfos();
+            //foreach (FileSystemInfo info in infos)
+            //{
+            //    if (info is FileInfo)
+            //    {
+            //        if (info.Extension == "")
+            //        {
+            //            byte[] bs = File.ReadAllBytes(info.FullName);
+            //            byte[] cipbs = Encipherer.AESDecrypt(bs, keyAsset);
+            //            AssetBundle.LoadFromMemory
+            //            File.WriteAllBytes(info.FullName, cipbs);
+            //            Debug.Log("完成资源包 " + info.Name + " 的加密！" + System.DateTime.Now.ToString("HH:mm:ss:fff"));
+            //        }
+            //    }
+            //}
+        }
+
+	    #endregion
+
+    }
 }

Assets/GameFramework/Resource/IResourceHelper.cs

@@ -19,7 +19,7 @@ public interface IResourceHelper
         /// 设置资源的路径,默认是为只读路径:Application.streamingAssetsPath;
         /// </summary>
         /// <param name="path"></param>
-        void SetResourcePath(PathType pathType, string rootAssetBundle = "AssetBundles/AssetBundles");
+        void SetResourcePath(PathType pathType, string rootAssetBundle = "AssetBundles/AssetBundles", bool isEncrypt = false);
 
         /// <summary>
         /// 加载资源

Assets/GameFramework/Resource/ResourceManager.cs

@@ -105,14 +105,18 @@ public ResourceManager()
 		public void SetResourceHelper(IResourceHelper resourceHelper)
 		{
 			_resourceHelper = resourceHelper;
-
-			//设置资源的路径,默认是为只读路径: Application.streamingAssetsPath;
-			if (resourceHelper is BundleResourceHelper)
-				_resourceHelper.SetResourcePath(LocalPathType, RootAssetBundle);
 		}
-		
 
-		/// <summary>
+        /// <summary>
+        /// 在设置BundleResourceHelper 需要调用此函数加载AssetBundle的Mainfest文件
+        /// </summary>
+        /// <param name="mainfestName"></param>
+        public void SetMainfestAssetBundle(string mainfestName, bool isEncrypt = false)
+        {
+            _resourceHelper?.SetResourcePath(LocalPathType, RootAssetBundle, isEncrypt);
+        }
+
+        /// <summary>
 		/// 加载资源
 		/// </summary>
 		/// <typeparam name="T"></typeparam>