update AssetBundleBuilder

资源包构建流程可扩展支持

Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/TaskAttribute.cs

@@ -5,10 +5,29 @@ namespace YooAsset.Editor
 	[AttributeUsage(AttributeTargets.Class)]
 	public class TaskAttribute : Attribute
 	{
-		public string Desc;
-		public TaskAttribute(string desc)
+		/// <summary>
+		/// 任务所属的构建流水线
+		/// </summary>
+		public ETaskPipeline Pipeline;
+
+		/// <summary>
+		/// 执行顺序
+		/// </summary>
+		public int TaskOrder;
+
+		/// <summary>
+		/// 任务说明
+		/// </summary>
+		public string TaskDesc;
+
+		// 关联的任务类
+		public Type ClassType { set; get; }
+
+		public TaskAttribute(ETaskPipeline pipeline, int taskOrder, string taskDesc)
 		{
-			Desc = desc;
+			Pipeline = pipeline;
+			TaskOrder = taskOrder;
+			TaskDesc = taskDesc;
 		}
 	}
 }