96 lines
3.1 KiB
C#
96 lines
3.1 KiB
C#
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#if UNITY_WEBGL && WEIXINMINIGAME
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using UnityEngine.Networking;
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using UnityEngine;
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using WeChatWASM;
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namespace YooAsset
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{
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internal class UnityWechatAssetBundleRequestOperation : UnityWebRequestOperation
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{
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protected enum ESteps
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{
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None,
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CreateRequest,
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Download,
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Done,
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}
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private readonly PackageBundle _packageBundle;
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private UnityWebRequestAsyncOperation _requestOperation;
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private ESteps _steps = ESteps.None;
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/// <summary>
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/// 请求结果
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/// </summary>
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public AssetBundle Result { private set; get; }
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internal UnityWechatAssetBundleRequestOperation(PackageBundle bundle, string url) : base(url)
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{
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_packageBundle = bundle;
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}
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internal override void InternalStart()
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{
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_steps = ESteps.CreateRequest;
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}
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internal override void InternalUpdate()
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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.CreateRequest)
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{
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CreateWebRequest();
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_steps = ESteps.Download;
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}
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if (_steps == ESteps.Download)
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{
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DownloadProgress = _webRequest.downloadProgress;
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DownloadedBytes = (long)_webRequest.downloadedBytes;
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Progress = _requestOperation.progress;
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if (_requestOperation.isDone == false)
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return;
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if (CheckRequestResult())
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{
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var downloadHanlder = (DownloadHandlerWXAssetBundle)_webRequest.downloadHandler;
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AssetBundle assetBundle = downloadHanlder.assetBundle;
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if (assetBundle == null)
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = $"URL : {_requestURL} Download handler asset bundle object is null !";
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}
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else
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{
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_steps = ESteps.Done;
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Result = assetBundle;
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Status = EOperationStatus.Succeed;
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//TODO 解决微信小游戏插件问题
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// Issue : https://github.com/wechat-miniprogram/minigame-unity-webgl-transform/issues/108#
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DownloadProgress = 1f;
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DownloadedBytes = _packageBundle.FileSize;
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Progress = 1f;
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}
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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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// 注意：最终释放请求器
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DisposeRequest();
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}
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}
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private void CreateWebRequest()
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{
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_webRequest = WXAssetBundle.GetAssetBundle(_requestURL);
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_webRequest.disposeDownloadHandlerOnDispose = true;
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_requestOperation = _webRequest.SendWebRequest();
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}
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}
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}
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#endif
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