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/Take.cs
+++ b/UnityProject/Packages/UniTask/Runtime/Linq/Take.cs
@@ -0,0 +1,124 @@
+using Cysharp.Threading.Tasks.Internal;
+using System;
+using System.Threading;
+
+namespace Cysharp.Threading.Tasks.Linq
+{
+    public static partial class UniTaskAsyncEnumerable
+    {
+        public static IUniTaskAsyncEnumerable<TSource> Take<TSource>(this IUniTaskAsyncEnumerable<TSource> source, Int32 count)
+        {
+            Error.ThrowArgumentNullException(source, nameof(source));
+
+            return new Take<TSource>(source, count);
+        }
+    }
+
+    internal sealed class Take<TSource> : IUniTaskAsyncEnumerable<TSource>
+    {
+        readonly IUniTaskAsyncEnumerable<TSource> source;
+        readonly int count;
+
+        public Take(IUniTaskAsyncEnumerable<TSource> source, int count)
+        {
+            this.source = source;
+            this.count = count;
+        }
+
+        public IUniTaskAsyncEnumerator<TSource> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+        {
+            return new _Take(source, count, cancellationToken);
+        }
+
+        sealed class _Take : MoveNextSource, IUniTaskAsyncEnumerator<TSource>
+        {
+            static readonly Action<object> MoveNextCoreDelegate = MoveNextCore;
+
+            readonly IUniTaskAsyncEnumerable<TSource> source;
+            readonly int count;
+            CancellationToken cancellationToken;
+
+            IUniTaskAsyncEnumerator<TSource> enumerator;
+            UniTask<bool>.Awaiter awaiter;
+            int index;
+
+            public _Take(IUniTaskAsyncEnumerable<TSource> source, int count, CancellationToken cancellationToken)
+            {
+                this.source = source;
+                this.count = count;
+                this.cancellationToken = cancellationToken;
+                TaskTracker.TrackActiveTask(this, 3);
+            }
+
+            public TSource Current { get; private set; }
+
+            public UniTask<bool> MoveNextAsync()
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                if (enumerator == null)
+                {
+                    enumerator = source.GetAsyncEnumerator(cancellationToken);
+                }
+
+                if (checked(index) >= count)
+                {
+                    return CompletedTasks.False;
+                }
+
+                completionSource.Reset();
+                SourceMoveNext();
+                return new UniTask<bool>(this, completionSource.Version);
+            }
+
+            void SourceMoveNext()
+            {
+                try
+                {
+                    awaiter = enumerator.MoveNextAsync().GetAwaiter();
+                    if (awaiter.IsCompleted)
+                    {
+                        MoveNextCore(this);
+                    }
+                    else
+                    {
+                        awaiter.SourceOnCompleted(MoveNextCoreDelegate, this);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    completionSource.TrySetException(ex);
+                }
+            }
+
+            static void MoveNextCore(object state)
+            {
+                var self = (_Take)state;
+
+                if (self.TryGetResult(self.awaiter, out var result))
+                {
+                    if (result)
+                    {
+                        self.index++;
+                        self.Current = self.enumerator.Current;
+                        self.completionSource.TrySetResult(true);
+                    }
+                    else
+                    {
+                        self.completionSource.TrySetResult(false);
+                    }
+                }
+            }
+
+            public UniTask DisposeAsync()
+            {
+                TaskTracker.RemoveTracking(this);
+                if (enumerator != null)
+                {
+                    return enumerator.DisposeAsync();
+                }
+                return default;
+            }
+        }
+    }
+}