Init TEngine4.0.0

Init TEngine4.0.0

UnityProject/Packages/YooAsset/Runtime/OperationSystem/AsyncOperationBase.cs

@@ -0,0 +1,110 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace YooAsset
+{
+	public abstract class AsyncOperationBase : IEnumerator
+	{
+		// 用户请求的回调
+		private Action<AsyncOperationBase> _callback;
+
+		/// <summary>
+		/// 状态
+		/// </summary>
+		public EOperationStatus Status { get; protected set; } = EOperationStatus.None;
+
+		/// <summary>
+		/// 错误信息
+		/// </summary>
+		public string Error { get; protected set; }
+
+		/// <summary>
+		/// 处理进度
+		/// </summary>
+		public float Progress { get; protected set; }
+
+		/// <summary>
+		/// 是否已经完成
+		/// </summary>
+		public bool IsDone
+		{
+			get
+			{
+				return Status == EOperationStatus.Failed || Status == EOperationStatus.Succeed;
+			}
+		}
+
+		/// <summary>
+		/// 完成事件
+		/// </summary>
+		public event Action<AsyncOperationBase> Completed
+		{
+			add
+			{
+				if (IsDone)
+					value.Invoke(this);
+				else
+					_callback += value;
+			}
+			remove
+			{
+				_callback -= value;
+			}
+		}
+
+		/// <summary>
+		/// 异步操作任务
+		/// </summary>
+		public Task Task
+		{
+			get
+			{
+				if (_taskCompletionSource == null)
+				{
+					_taskCompletionSource = new TaskCompletionSource<object>();
+					if (IsDone)
+						_taskCompletionSource.SetResult(null);
+				}
+				return _taskCompletionSource.Task;
+			}
+		}
+
+		internal abstract void Start();
+		internal abstract void Update();
+
+		internal void SetFinish()
+		{
+			Progress = 1f;
+			_callback?.Invoke(this); //注意：如果完成回调内发生异常，会导致Task无限期等待
+			if (_taskCompletionSource != null)
+				_taskCompletionSource.TrySetResult(null);
+		}
+		internal void SetStart()
+		{
+			Status = EOperationStatus.Processing;
+		}
+
+		/// <summary>
+		/// 清空完成回调
+		/// </summary>
+		protected void ClearCompletedCallback()
+		{
+			_callback = null;
+		}
+
+		#region 异步编程相关
+		bool IEnumerator.MoveNext()
+		{
+			return !IsDone;
+		}
+		void IEnumerator.Reset()
+		{
+		}
+		object IEnumerator.Current => null;
+
+		private TaskCompletionSource<object> _taskCompletionSource;
+		#endregion
+	}
+}

UnityProject/Packages/YooAsset/Runtime/OperationSystem/AsyncOperationBase.cs.meta

@@ -0,0 +1,11 @@
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UnityProject/Packages/YooAsset/Runtime/OperationSystem/EOperationStatus.cs

@@ -0,0 +1,11 @@
+
+namespace YooAsset
+{
+	public enum EOperationStatus
+	{
+		None,
+		Processing,
+		Succeed,
+		Failed
+	}
+}

UnityProject/Packages/YooAsset/Runtime/OperationSystem/EOperationStatus.cs.meta

@@ -0,0 +1,11 @@
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UnityProject/Packages/YooAsset/Runtime/OperationSystem/GameAsyncOperation.cs

@@ -0,0 +1,33 @@
+
+namespace YooAsset
+{
+	public abstract class GameAsyncOperation : AsyncOperationBase
+	{
+		internal override void Start()
+		{
+			OnStart();
+		}
+		internal override void Update()
+		{
+			OnUpdate();
+		}
+
+		/// <summary>
+		/// 异步操作开始
+		/// </summary>
+		protected abstract void OnStart();
+
+		/// <summary>
+		/// 异步操作更新
+		/// </summary>
+		protected abstract void OnUpdate();
+
+		/// <summary>
+		/// 异步操作系统是否繁忙
+		/// </summary>
+		protected bool IsBusy()
+		{
+			return OperationSystem.IsBusy;
+		}
+	}
+}

UnityProject/Packages/YooAsset/Runtime/OperationSystem/GameAsyncOperation.cs.meta

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UnityProject/Packages/YooAsset/Runtime/OperationSystem/OperationSystem.cs

@@ -0,0 +1,93 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Diagnostics;
+
+namespace YooAsset
+{
+	internal class OperationSystem
+	{
+		private static readonly List<AsyncOperationBase> _operations = new List<AsyncOperationBase>(100);
+		private static readonly List<AsyncOperationBase> _newList = new List<AsyncOperationBase>(100);
+
+		// 计时器相关
+		private static Stopwatch _watch;
+		private static long _frameTime;
+
+		/// <summary>
+		/// 异步操作的最小时间片段
+		/// </summary>
+		public static long MaxTimeSlice { set; get; } = long.MaxValue;
+
+		/// <summary>
+		/// 处理器是否繁忙
+		/// </summary>
+		public static bool IsBusy
+		{
+			get
+			{
+				return _watch.ElapsedMilliseconds - _frameTime >= MaxTimeSlice;
+			}
+		}
+
+
+		/// <summary>
+		/// 初始化异步操作系统
+		/// </summary>
+		public static void Initialize()
+		{
+			_watch = Stopwatch.StartNew();
+		}
+
+		/// <summary>
+		/// 更新异步操作系统
+		/// </summary>
+		public static void Update()
+		{
+			_frameTime = _watch.ElapsedMilliseconds;
+
+			// 添加新的异步操作
+			if (_newList.Count > 0)
+			{
+				_operations.AddRange(_newList);
+				_newList.Clear();
+			}
+
+			// 更新所有的异步操作
+			for (int i = _operations.Count - 1; i >= 0; i--)
+			{
+				if (IsBusy)
+					break;
+
+				var operation = _operations[i];
+				operation.Update();
+				if (operation.IsDone)
+				{
+					_operations.RemoveAt(i);
+					operation.SetFinish(); //注意：如果业务端发生异常，保证异步操作提前移除。
+				}
+			}
+		}
+
+		/// <summary>
+		/// 销毁异步操作系统
+		/// </summary>
+		public static void DestroyAll()
+		{
+			_operations.Clear();
+			_newList.Clear();
+			_watch = null;
+			_frameTime = 0;
+			MaxTimeSlice = long.MaxValue;
+		}
+
+		/// <summary>
+		/// 开始处理异步操作类
+		/// </summary>
+		public static void StartOperation(AsyncOperationBase operation)
+		{
+			_newList.Add(operation);
+			operation.SetStart();
+			operation.Start();
+		}
+	}
+}

UnityProject/Packages/YooAsset/Runtime/OperationSystem/OperationSystem.cs.meta

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