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Assets/Scripts/NBC/Asset/Runtime/Tasks/Initialization/StepTasks/CheckCoverInstallTask.cs

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+namespace NBC.Asset
+{
+    /// <summary>
+    /// 检查是否覆盖安装相关操作
+    /// </summary>
+    public class CheckCoverInstallTask : NTask
+    {
+        protected override NTaskStatus OnProcess()
+        {
+            return NTaskStatus.Success;
+        }
+    }
+}

Assets/Scripts/NBC/Asset/Runtime/Tasks/Initialization/StepTasks/CheckCoverInstallTask.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 5320f83282e844c398ba79be297eabca
+timeCreated: 1678291123

Assets/Scripts/NBC/Asset/Runtime/Tasks/Initialization/StepTasks/CheckUnpackPackageTask.cs

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+using System.IO;
+
+namespace NBC.Asset
+{
+    /// <summary>
+    /// 检查是否需要解压package清单文件
+    /// </summary>
+    public class CheckUnpackPackageTask : NTask
+    {
+        private readonly ParallelTaskCollection _taskList = new ParallelTaskCollection();
+        private readonly bool _download;
+
+        public CheckUnpackPackageTask(bool download = false)
+        {
+            _download = download;
+        }
+
+        protected override void OnStart()
+        {
+            var versionData = Util.ReadJson<VersionData>(Const.GetCachePath(Const.VersionFileName));
+            if (versionData != null)
+            {
+                var cachePath = Const.GetCachePath(versionData.NameHash);
+                if (!File.Exists(cachePath))
+                {
+                    _taskList.AddTask(new UnpackFileTask(versionData.NameHash, _download));
+                }
+            }
+
+            _taskList.Run(TaskRunner.Def);
+        }
+
+        protected override NTaskStatus OnProcess()
+        {
+            return _taskList.IsDone ? _taskList.Status : NTaskStatus.Running;
+        }
+    }
+}

Assets/Scripts/NBC/Asset/Runtime/Tasks/Initialization/StepTasks/CheckUnpackPackageTask.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: b8a22acc2aba454e9ebab180f56b2427
+timeCreated: 1678610857