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Assets/Scripts/NBC/Asset/Runtime/Services/Recycler.cs

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+using System.Collections.Generic;
+
+namespace NBC.Asset
+{
+    public interface IRecyclable
+    {
+        bool IsDestroyed { get; }
+        bool CanDestroy { get; }
+        void Destroy();
+    }
+
+    /// <summary>
+    /// 资源回收器
+    /// </summary>
+    public static class Recycler
+    {
+        /// <summary>
+        /// 当前运行的回收任务
+        /// </summary>
+        static readonly List<IRecyclable> Coroutines = new List<IRecyclable>();
+
+        /// <summary>
+        /// 准备要运行的回收任务
+        /// </summary>
+        static readonly List<IRecyclable> ReadyTask = new List<IRecyclable>();
+
+
+        public static void Add(IRecyclable recyclable)
+        {
+            ReadyTask.Add(recyclable);
+        }
+
+        /// <summary>
+        /// 取消回收
+        /// </summary>
+        /// <param name="recyclable"></param>
+        public static void Cancel(IRecyclable recyclable)
+        {
+            ReadyTask.Remove(recyclable);
+        }
+
+        public static void Update()
+        {
+            //正在加载时，不卸载资源
+            if (TaskRunner.ProviderRunner.RunningTaskNum > 0) return;
+            for (var i = 0; i < ReadyTask.Count; i++)
+            {
+                var task = ReadyTask[i];
+                if (!task.CanDestroy) continue;
+                ReadyTask.RemoveAt(i);
+                Coroutines.Add(task);
+                i--;
+            }
+
+            for (var i = 0; i < Coroutines.Count; i++)
+            {
+                var task = Coroutines[i];
+                Coroutines.RemoveAt(i);
+                i--;
+                if (task.IsDestroyed) continue;
+                if (task.CanDestroy) task.Destroy();
+            }
+        }
+    }
+}