mirror of https://github.com/tuyoogame/YooAsset
135 lines
3.8 KiB
C#
135 lines
3.8 KiB
C#
#if !UNITY_WECHAT_GAME
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using UnityEngine;
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using UnityEngine.Networking;
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using YooAsset;
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using WeChatWASM;
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/// <summary>
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/// 微信小游戏文件系统扩展
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/// 参考：https://wechat-miniprogram.github.io/minigame-unity-webgl-transform/Design/UsingAssetBundle.html
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/// </summary>
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internal class WechatFileSystem : DefaultWebFileSystem
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{
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/// <summary>
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/// 资源文件加载
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/// </summary>
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public override FSLoadBundleOperation LoadBundleFile(PackageBundle bundle)
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{
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var operation = new WechatLoadBundleOperation(this, bundle);
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OperationSystem.StartOperation(PackageName, operation);
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return operation;
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}
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/// <summary>
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/// 资源文件卸载
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/// </summary>
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public override void UnloadBundleFile(PackageBundle bundle, object result)
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{
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AssetBundle assetBundle = result as AssetBundle;
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if (assetBundle != null)
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assetBundle.WXUnload(true);
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}
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/// <summary>
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/// 重写资源文件加载类
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/// </summary>
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internal class WechatLoadBundleOperation : FSLoadBundleOperation
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{
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private enum ESteps
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{
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None,
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LoadBundleFile,
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Done,
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}
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private readonly WechatFileSystem _fileSystem;
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private readonly PackageBundle _bundle;
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private UnityWebRequest _webRequest;
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private ESteps _steps = ESteps.None;
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internal WechatLoadBundleOperation(WechatFileSystem fileSystem, PackageBundle bundle)
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{
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_fileSystem = fileSystem;
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_bundle = bundle;
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}
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internal override void InternalOnStart()
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{
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_steps = ESteps.LoadBundleFile;
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}
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internal override void InternalOnUpdate()
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{
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if (_steps == ESteps.None || _steps == ESteps.Done)
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return;
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if (_steps == ESteps.LoadBundleFile)
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{
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if (_webRequest == null)
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{
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string mainURL = _fileSystem.RemoteServices.GetRemoteMainURL(_bundle.FileName);
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_webRequest = WXAssetBundle.GetAssetBundle(mainURL);
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_webRequest.SendWebRequest();
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}
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DownloadProgress = _webRequest.downloadProgress;
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DownloadedBytes = (long)_webRequest.downloadedBytes;
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Progress = DownloadProgress;
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if (_webRequest.isDone == false)
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return;
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if (CheckRequestResult())
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{
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_steps = ESteps.Done;
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Result = (_webRequest.downloadHandler as DownloadHandlerWXAssetBundle).assetBundle;
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Status = EOperationStatus.Succeed;
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}
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else
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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}
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}
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}
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public override void WaitForAsyncComplete()
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{
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if (IsDone == false)
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = "WebGL platform not support sync load method !";
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UnityEngine.Debug.LogError(Error);
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}
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}
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public override void AbortDownloadOperation()
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{
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}
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private bool CheckRequestResult()
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{
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#if UNITY_2020_3_OR_NEWER
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if (_webRequest.result != UnityWebRequest.Result.Success)
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{
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Error = _webRequest.error;
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return false;
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}
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else
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{
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return true;
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}
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#else
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if (_webRequest.isNetworkError || _webRequest.isHttpError)
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{
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Error = _webRequest.error;
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return false;
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}
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else
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{
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return true;
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}
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#endif
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}
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}
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}
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#endif |