67 lines
1.8 KiB
C#
67 lines
1.8 KiB
C#
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#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
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using System;
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using System.Runtime.CompilerServices;
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using System.Threading;
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using System.Threading.Tasks;
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using UnityEngine;
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#if ENABLE_UNITYWEBREQUEST && (!UNITY_2019_1_OR_NEWER || UNITASK_WEBREQUEST_SUPPORT)
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using UnityEngine.Networking;
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#endif
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namespace Stary.Evo
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{
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public static partial class UnityAsyncExtensions
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{
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#if !UNITY_2023_1_OR_NEWER
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// from Unity2023.1.0a15, AsyncOperationAwaitableExtensions.GetAwaiter is defined in UnityEngine.
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public static AsyncOperationAwaiter GetAwaiter(this AsyncOperation asyncOperation)
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{
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return new AsyncOperationAwaiter(asyncOperation);
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}
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#endif
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public struct AsyncOperationAwaiter : ICriticalNotifyCompletion
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{
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AsyncOperation asyncOperation;
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Action<AsyncOperation> continuationAction;
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public AsyncOperationAwaiter(AsyncOperation asyncOperation)
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{
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this.asyncOperation = asyncOperation;
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this.continuationAction = null;
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}
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public bool IsCompleted => asyncOperation.isDone;
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public void GetResult()
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{
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if (continuationAction != null)
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{
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asyncOperation.completed -= continuationAction;
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continuationAction = null;
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asyncOperation = null;
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}
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else
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{
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asyncOperation = null;
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}
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}
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public void OnCompleted(Action continuation)
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{
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UnsafeOnCompleted(continuation);
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}
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public void UnsafeOnCompleted(Action continuation)
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{
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}
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}
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}
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}
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