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refactor : 重构异步操作模块

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何冠峰
2026-01-08 11:21:26 +08:00
parent f0563cce0b
commit 3dd3d4ef76
6 changed files with 347 additions and 109 deletions
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Assets/YooAsset/Runtime/OperationSystem/OperationSystem.cs
+121 -81
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@@ -1,4 +1,4 @@
using System;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
@@ -15,8 +15,14 @@ namespace YooAsset
}
#endif
private static readonly List<AsyncOperationBase> _operations = new List<AsyncOperationBase>(1000);
private static readonly List<AsyncOperationBase> _newList = new List<AsyncOperationBase>(1000);
// 全局调度器名称
public const string GLOBAL_SCHEDULER_NAME = "";
private static readonly Dictionary<string, OperationScheduler> _schedulerDic = new Dictionary<string, OperationScheduler>(100);
private static readonly List<OperationScheduler> _schedulerList = new List<OperationScheduler>(100);
private static bool _schedulerListDirty = false;
private static int _createIndex = 0;
private static Action<string, AsyncOperationBase> _startCallback = null;
private static Action<string, AsyncOperationBase> _finishCallback = null;
@@ -25,12 +31,12 @@ namespace YooAsset
private static long _frameTime;
/// <summary>
/// 异步操作的最小时间片段
/// 异步操作系统的每帧最大执行预算（毫秒）
/// </summary>
public static long MaxTimeSlice { set; get; } = long.MaxValue;
/// <summary>
/// 处理器是否繁忙
/// 异步操作系统是否繁忙
/// </summary>
public static bool IsBusy
{
@@ -39,7 +45,10 @@ namespace YooAsset
if (_watch == null)
return false;
// NOTE : 单次调用开销约1微秒
if (MaxTimeSlice == long.MaxValue)
return false;
// 注意 : 单次调用开销约1微秒
return _watch.ElapsedMilliseconds - _frameTime >= MaxTimeSlice;
}
}
@@ -51,6 +60,9 @@ namespace YooAsset
public static void Initialize()
{
_watch = Stopwatch.StartNew();
// 创建全局调度器
CreatePackageScheduler(GLOBAL_SCHEDULER_NAME, 0);
}
/// <summary>
@@ -58,54 +70,23 @@ namespace YooAsset
/// </summary>
public static void Update()
{
// 移除已经完成的异步操作
// 注意：移除上一帧完成的异步操作，方便调试器接收到完整的信息！
for (int i = _operations.Count - 1; i >= 0; i--)
// 重新排序调度器
if (_schedulerListDirty)
{
var operation = _operations[i];
if (operation.IsFinish)
{
_operations.RemoveAt(i);
if (_finishCallback != null)
_finishCallback.Invoke(operation.PackageName, operation);
}
_schedulerListDirty = false;
_schedulerList.Sort();
}
// 添加新增的异步操作
if (_newList.Count > 0)
{
bool sorting = false;
foreach (var operation in _newList)
{
if (operation.Priority > 0)
{
sorting = true;
break;
}
}
_operations.AddRange(_newList);
_newList.Clear();
// 重新排序优先级
if (sorting)
_operations.Sort();
}
// 更新进行中的异步操作
bool checkBusy = MaxTimeSlice < long.MaxValue;
// 更新帧时间
_frameTime = _watch.ElapsedMilliseconds;
for (int i = 0; i < _operations.Count; i++)
// 更新调度器
for (int i = 0; i < _schedulerList.Count; i++)
{
if (checkBusy && IsBusy)
if (IsBusy)
break;
var operation = _operations[i];
if (operation.IsFinish)
continue;
operation.UpdateOperation();
_schedulerList[i].Update();
}
}
@@ -114,8 +95,16 @@ namespace YooAsset
/// </summary>
public static void DestroyAll()
{
_operations.Clear();
_newList.Clear();
// 清空所有调度器
foreach (var scheduler in _schedulerList)
{
scheduler.ClearAll();
}
_schedulerDic.Clear();
_schedulerList.Clear();
_schedulerListDirty = false;
_createIndex = 0;
_startCallback = null;
_finishCallback = null;
_watch = null;
@@ -123,28 +112,48 @@ namespace YooAsset
MaxTimeSlice = long.MaxValue;
}
/// <summary>
/// 创建包裹调度器
/// </summary>
internal static void CreatePackageScheduler(string packageName, int priority)
{
if (_schedulerDic.ContainsKey(packageName))
{
throw new YooInternalException($"Package scheduler already exists: {packageName}");
}
var scheduler = new OperationScheduler(packageName, priority, _createIndex++);
_schedulerDic.Add(packageName, scheduler);
_schedulerList.Add(scheduler);
_schedulerListDirty = true;
}
/// <summary>
/// 销毁包裹调度器
/// </summary>
internal static void DestroyPackageScheduler(string packageName)
{
// 不允许销毁默认调度器
if (packageName == GLOBAL_SCHEDULER_NAME)
{
throw new YooInternalException("Cannot destroy the global package scheduler!");
}
if (_schedulerDic.TryGetValue(packageName, out var scheduler))
{
scheduler.ClearAll();
_schedulerDic.Remove(packageName);
_schedulerList.Remove(scheduler);
}
}
/// <summary>
/// 销毁包裹的所有任务
/// </summary>
public static void ClearPackageOperation(string packageName)
{
// 终止临时队列里的任务
foreach (var operation in _newList)
{
if (operation.PackageName == packageName)
{
operation.AbortOperation();
}
}
// 终止正在进行的任务
foreach (var operation in _operations)
{
if (operation.PackageName == packageName)
{
operation.AbortOperation();
}
}
var scheduler = GetScheduler(packageName);
scheduler.ClearAll();
}
/// <summary>
@@ -152,12 +161,8 @@ namespace YooAsset
/// </summary>
public static void StartOperation(string packageName, AsyncOperationBase operation)
{
_newList.Add(operation);
operation.SetPackageName(packageName);
operation.StartOperation();
if (_startCallback != null)
_startCallback.Invoke(packageName, operation);
var scheduler = GetScheduler(packageName);
scheduler.StartOperation(operation);
}
/// <summary>
@@ -176,20 +181,55 @@ namespace YooAsset
_finishCallback = callback;
}
/// <summary>
/// 触发任务开始回调
/// </summary>
internal static void InvokeStartCallback(string packageName, AsyncOperationBase operation)
{
_startCallback?.Invoke(packageName, operation);
}
/// <summary>
/// 触发任务完成回调
/// </summary>
internal static void InvokeFinishCallback(string packageName, AsyncOperationBase operation)
{
_finishCallback?.Invoke(packageName, operation);
}
/// <summary>
/// 获取调度器（严格模式）
/// </summary>
private static OperationScheduler GetScheduler(string packageName)
{
// 空包名路由到默认调度器
if (string.IsNullOrEmpty(packageName))
packageName = GLOBAL_SCHEDULER_NAME;
if (_schedulerDic.TryGetValue(packageName, out var scheduler))
{
return scheduler;
}
// 严格模式：非默认包裹必须先创建调度器
throw new YooInternalException($"Package scheduler not found: {packageName}. Please call YooAssets.CreatePackage() first!");
}
#region 调试信息
internal static List<DebugOperationInfo> GetDebugOperationInfos(string packageName)
{
List<DebugOperationInfo> result = new List<DebugOperationInfo>(_operations.Count);
foreach (var operation in _operations)
// 空包名路由到默认调度器
if (string.IsNullOrEmpty(packageName))
packageName = GLOBAL_SCHEDULER_NAME;
if (_schedulerDic.TryGetValue(packageName, out var scheduler))
{
if (operation.PackageName == packageName)
{
var operationInfo = GetDebugOperationInfo(operation);
result.Add(operationInfo);
}
return scheduler.GetDebugOperationInfos();
}
return result;
return new List<DebugOperationInfo>();
}
internal static DebugOperationInfo GetDebugOperationInfo(AsyncOperationBase operation)
{
var operationInfo = new DebugOperationInfo();
@@ -210,4 +250,4 @@ namespace YooAsset
}
#endregion
}
}
}