92 lines
2.7 KiB
C#
92 lines
2.7 KiB
C#
|
using System;
|
|||
|
|
using UnityEngine;
|
|||
|
|
|
|||
|
|
namespace YooAsset
|
|||
|
|
{
|
|||
|
|
public sealed class UnloadAllAssetsOperation : AsyncOperationBase
|
|||
|
|
{
|
|||
|
|
private enum ESteps
|
|||
|
|
{
|
|||
|
|
None,
|
|||
|
|
AbortDownload,
|
|||
|
|
CheckLoading,
|
|||
|
|
UnloadAll,
|
|||
|
|
Done,
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private readonly ResourceManager _resManager;
|
|||
|
|
private ESteps _steps = ESteps.None;
|
|||
|
|
|
|||
|
|
internal UnloadAllAssetsOperation(ResourceManager resourceManager)
|
|||
|
|
{
|
|||
|
|
_resManager = resourceManager;
|
|||
|
|
}
|
|||
|
|
internal override void InternalOnStart()
|
|||
|
|
{
|
|||
|
|
_steps = ESteps.AbortDownload;
|
|||
|
|
}
|
|||
|
|
internal override void InternalOnUpdate()
|
|||
|
|
{
|
|||
|
|
if (_steps == ESteps.None || _steps == ESteps.Done)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
if (_steps == ESteps.AbortDownload)
|
|||
|
|
{
|
|||
|
|
// 注意：终止所有下载任务
|
|||
|
|
var loaderDic = _resManager._loaderDic;
|
|||
|
|
foreach (var loader in loaderDic.Values)
|
|||
|
|
{
|
|||
|
|
loader.AbortDownloadOperation();
|
|||
|
|
}
|
|||
|
|
_steps = ESteps.CheckLoading;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (_steps == ESteps.CheckLoading)
|
|||
|
|
{
|
|||
|
|
// 注意：等待所有任务完成
|
|||
|
|
var providerDic = _resManager._providerDic;
|
|||
|
|
foreach (var provider in providerDic.Values)
|
|||
|
|
{
|
|||
|
|
if (provider.IsDone == false)
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
_steps = ESteps.UnloadAll;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (_steps == ESteps.UnloadAll)
|
|||
|
|
{
|
|||
|
|
var loaderDic = _resManager._loaderDic;
|
|||
|
|
var providerDic = _resManager._providerDic;
|
|||
|
|
|
|||
|
|
// 释放所有资源句柄
|
|||
|
|
foreach (var provider in providerDic.Values)
|
|||
|
|
{
|
|||
|
|
provider.ReleaseAllHandles();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 强制销毁资源提供者
|
|||
|
|
foreach (var provider in providerDic.Values)
|
|||
|
|
{
|
|||
|
|
provider.DestroyProvider();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 强制销毁文件加载器
|
|||
|
|
foreach (var loader in loaderDic.Values)
|
|||
|
|
{
|
|||
|
|
loader.DestroyLoader();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 清空数据
|
|||
|
|
providerDic.Clear();
|
|||
|
|
loaderDic.Clear();
|
|||
|
|
_resManager.ClearSceneHandle();
|
|||
|
|
|
|||
|
|
// 注意：调用底层接口释放所有资源
|
|||
|
|
Resources.UnloadUnusedAssets();
|
|||
|
|
|
|||
|
|
_steps = ESteps.Done;
|
|||
|
|
Status = EOperationStatus.Succeed;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|