update runtime logic

补丁清单的资源包列表增加引用链

Assets/YooAsset/Runtime/AssetSystem/AssetSystem.cs

@@ -341,6 +341,14 @@ namespace YooAsset
 				_providers.Remove(provider);
 			}
 		}
+		internal bool CheckBundleCanDestroy(int bundleID)
+		{
+			string bundleName = BundleServices.GetBundleName(bundleID);
+			BundleLoaderBase loader = TryGetAssetBundleLoader(bundleName);
+			if (loader == null)
+				return true;
+			return loader.CanDestroy();
+		}
 
 		private BundleLoaderBase CreateAssetBundleLoaderInternal(BundleInfo bundleInfo)
 		{

Assets/YooAsset/Runtime/AssetSystem/Loader/BundleLoaderBase.cs

@@ -122,6 +122,15 @@ namespace YooAsset
 			if (RefCount > _providers.Count)
 				return;
 
+			// 条件3：检查依赖链上的资源包
+			// 依赖该资源包的所有资源包可以销毁
+			// 注意：互相引用的资源包无法卸载！
+			foreach (var bundleID in MainBundleInfo.Bundle.ReferenceIDs)
+			{
+				if (Impl.CheckBundleCanDestroy(bundleID) == false)
+					return;
+			}
+
 			// 销毁所有Providers
 			foreach (var provider in _providers)
 			{

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/DeserializeManifestOperation.cs

@@ -143,6 +143,7 @@ namespace YooAsset
 						patchBundle.IsRawFile = _buffer.ReadBool();
 						patchBundle.LoadMethod = _buffer.ReadByte();
 						patchBundle.Tags = _buffer.ReadUTF8Array();
+						patchBundle.ReferenceIDs = _buffer.ReadInt32Array();
 						Manifest.BundleList.Add(patchBundle);
 
 						patchBundle.ParseBundle(Manifest.PackageName, Manifest.OutputNameStyle);

Assets/YooAsset/Runtime/PatchSystem/PatchBundle.cs

@@ -41,6 +41,11 @@ namespace YooAsset
 		/// </summary>
 		public string[] Tags;
 
+		/// <summary>
+		/// 引用该资源包的ID列表
+		/// </summary>
+		public int[] ReferenceIDs;
+
 		
 		/// <summary>
 		/// 所属的包裹名称

Assets/YooAsset/Runtime/PatchSystem/PatchManifest.cs

@@ -220,6 +220,22 @@ namespace YooAsset
 			}
 		}
 
+		/// <summary>
+		/// 获取资源包名称
+		/// </summary>
+		public string GetBundleName(int bundleID)
+		{
+			if (bundleID >= 0 && bundleID < BundleList.Count)
+			{
+				var patchBundle = BundleList[bundleID];
+				return patchBundle.BundleName;
+			}
+			else
+			{
+				throw new Exception($"Invalid bundle id : {bundleID}");
+			}
+		}
+
 		/// <summary>
 		/// 尝试获取补丁资源
 		/// </summary>

Assets/YooAsset/Runtime/PatchSystem/PatchManifestTools.cs

@@ -65,6 +65,7 @@ namespace YooAsset
 					buffer.WriteBool(patchBundle.IsRawFile);
 					buffer.WriteByte(patchBundle.LoadMethod);
 					buffer.WriteUTF8Array(patchBundle.Tags);
+					buffer.WriteInt32Array(patchBundle.ReferenceIDs);
 				}
 
 				// 写入文件流
@@ -127,6 +128,7 @@ namespace YooAsset
 					patchBundle.IsRawFile = buffer.ReadBool();
 					patchBundle.LoadMethod = buffer.ReadByte();
 					patchBundle.Tags = buffer.ReadUTF8Array();
+					patchBundle.ReferenceIDs = buffer.ReadInt32Array();
 					manifest.BundleList.Add(patchBundle);
 				}
 			}

Assets/YooAsset/Runtime/PatchSystem/PlayMode/EditorSimulateModeImpl.cs

@@ -95,6 +95,10 @@ namespace YooAsset
 		{
 			throw new NotImplementedException();
 		}
+		string IBundleServices.GetBundleName(int bundleID)
+		{
+			throw new NotImplementedException();
+		}
 		bool IBundleServices.IsServicesValid()
 		{
 			return _activeManifest != null;

Assets/YooAsset/Runtime/PatchSystem/PlayMode/HostPlayModeImpl.cs

@@ -330,6 +330,10 @@ namespace YooAsset
 			}
 			return result.ToArray();
 		}
+		string IBundleServices.GetBundleName(int bundleID)
+		{
+			return _activeManifest.GetBundleName(bundleID);
+		}
 		bool IBundleServices.IsServicesValid()
 		{
 			return _activeManifest != null;

Assets/YooAsset/Runtime/PatchSystem/PlayMode/OfflinePlayModeImpl.cs

@@ -123,6 +123,10 @@ namespace YooAsset
 			}
 			return result.ToArray();
 		}
+		string IBundleServices.GetBundleName(int bundleID)
+		{
+			return _activeManifest.GetBundleName(bundleID);
+		}
 		bool IBundleServices.IsServicesValid()
 		{
 			return _activeManifest != null;

Assets/YooAsset/Runtime/Services/IBundleServices.cs

@@ -13,6 +13,11 @@ namespace YooAsset
 		/// </summary>
 		BundleInfo[] GetAllDependBundleInfos(AssetInfo assetPath);
 
+		/// <summary>
+		/// 获取资源包名称
+		/// </summary>
+		string GetBundleName(int bundleID);
+
 		/// <summary>
 		/// 服务接口是否有效
 		/// </summary>

Assets/YooAsset/Runtime/Settings/YooAssetSettings.cs

@@ -24,7 +24,7 @@ namespace YooAsset
 		/// <summary>
 		/// 清单文件格式版本
 		/// </summary>
-		public const string PatchManifestFileVersion = "1.4.0";
+		public const string PatchManifestFileVersion = "1.4.6";
 
 
 		/// <summary>