Init TEngine4.0.0

2025-08-14 16:51:28 +00:00 · 2023-10-08 15:21:33 +08:00
parent 4c8c37ffd8
commit 8c3d6308b9
3773 changed files with 49313 additions and 150734 deletions
--- a/UnityProject/Packages/UniTask/Runtime/Linq/ToObservable.cs
+++ b/UnityProject/Packages/UniTask/Runtime/Linq/ToObservable.cs
@@ -0,0 +1,97 @@
+using Cysharp.Threading.Tasks.Internal;
+using System;
+using System.Threading;
+
+namespace Cysharp.Threading.Tasks.Linq
+{
+    public static partial class UniTaskAsyncEnumerable
+    {
+        public static IObservable<TSource> ToObservable<TSource>(this IUniTaskAsyncEnumerable<TSource> source)
+        {
+            Error.ThrowArgumentNullException(source, nameof(source));
+
+            return new ToObservable<TSource>(source);
+        }
+    }
+
+    internal sealed class ToObservable<T> : IObservable<T>
+    {
+        readonly IUniTaskAsyncEnumerable<T> source;
+
+        public ToObservable(IUniTaskAsyncEnumerable<T> source)
+        {
+            this.source = source;
+        }
+
+        public IDisposable Subscribe(IObserver<T> observer)
+        {
+            var ctd = new CancellationTokenDisposable();
+
+            RunAsync(source, observer, ctd.Token).Forget();
+
+            return ctd;
+        }
+
+        static async UniTaskVoid RunAsync(IUniTaskAsyncEnumerable<T> src, IObserver<T> observer, CancellationToken cancellationToken)
+        {
+            // cancellationToken.IsCancellationRequested is called when Rx's Disposed.
+            // when disposed, finish silently.
+
+            var e = src.GetAsyncEnumerator(cancellationToken);
+            try
+            {
+                bool hasNext;
+
+                do
+                {
+                    try
+                    {
+                        hasNext = await e.MoveNextAsync();
+                    }
+                    catch (Exception ex)
+                    {
+                        if (cancellationToken.IsCancellationRequested)
+                        {
+                            return;
+                        }
+
+                        observer.OnError(ex);
+                        return;
+                    }
+
+                    if (hasNext)
+                    {
+                        observer.OnNext(e.Current);
+                    }
+                    else
+                    {
+                        observer.OnCompleted();
+                        return;
+                    }
+                } while (!cancellationToken.IsCancellationRequested);
+            }
+            finally
+            {
+                if (e != null)
+                {
+                    await e.DisposeAsync();
+                }
+            }
+        }
+
+        internal sealed class CancellationTokenDisposable : IDisposable
+        {
+            readonly CancellationTokenSource cts = new CancellationTokenSource();
+
+            public CancellationToken Token => cts.Token;
+
+            public void Dispose()
+            {
+                if (!cts.IsCancellationRequested)
+                {
+                    cts.Cancel();
+                }
+            }
+        }
+    }
+}