UniRx 에셋 추가

Gameton-06/Assets/Plugins/UniRx/Scripts/Operators/TakeUntil.cs

@@ -0,0 +1,128 @@
+using System;
+
+namespace UniRx.Operators
+{
+    internal class TakeUntilObservable<T, TOther> : OperatorObservableBase<T>
+    {
+        readonly IObservable<T> source;
+        readonly IObservable<TOther> other;
+
+        public TakeUntilObservable(IObservable<T> source, IObservable<TOther> other)
+            : base(source.IsRequiredSubscribeOnCurrentThread() || other.IsRequiredSubscribeOnCurrentThread())
+        {
+            this.source = source;
+            this.other = other;
+        }
+
+        protected override IDisposable SubscribeCore(IObserver<T> observer, IDisposable cancel)
+        {
+            return new TakeUntil(this, observer, cancel).Run();
+        }
+
+        class TakeUntil : OperatorObserverBase<T, T>
+        {
+            readonly TakeUntilObservable<T, TOther> parent;
+            object gate = new object();
+
+            public TakeUntil(TakeUntilObservable<T, TOther> parent, IObserver<T> observer, IDisposable cancel) : base(observer, cancel)
+            {
+                this.parent = parent;
+            }
+
+            public IDisposable Run()
+            {
+                var otherSubscription = new SingleAssignmentDisposable();
+                var otherObserver = new TakeUntilOther(this, otherSubscription);
+                otherSubscription.Disposable = parent.other.Subscribe(otherObserver);
+
+                var sourceSubscription = parent.source.Subscribe(this);
+
+                return StableCompositeDisposable.Create(otherSubscription, sourceSubscription);
+            }
+
+            public override void OnNext(T value)
+            {
+                lock (gate)
+                {
+                    observer.OnNext(value);
+                }
+            }
+
+            public override void OnError(Exception error)
+            {
+                lock (gate)
+                {
+                    try { observer.OnError(error); } finally { Dispose(); }
+                }
+            }
+
+            public override void OnCompleted()
+            {
+                lock (gate)
+                {
+                    try { observer.OnCompleted(); } finally { Dispose(); }
+                }
+            }
+
+            class TakeUntilOther : IObserver<TOther>
+            {
+                readonly TakeUntil sourceObserver;
+                readonly IDisposable subscription;
+
+                public TakeUntilOther(TakeUntil sourceObserver, IDisposable subscription)
+                {
+                    this.sourceObserver = sourceObserver;
+                    this.subscription = subscription;
+                }
+
+                public void OnNext(TOther value)
+                {
+                    lock (sourceObserver.gate)
+                    {
+                        try
+                        {
+                            sourceObserver.observer.OnCompleted();
+                        }
+                        finally
+                        {
+                            sourceObserver.Dispose();
+                            subscription.Dispose();
+                        }
+                    }
+                }
+
+                public void OnError(Exception error)
+                {
+                    lock (sourceObserver.gate)
+                    {
+                        try
+                        {
+                            sourceObserver.observer.OnError(error);
+                        }
+                        finally
+                        {
+                            sourceObserver.Dispose();
+                            subscription.Dispose();
+                        }
+                    }
+                }
+
+                public void OnCompleted()
+                {
+                    lock (sourceObserver.gate)
+                    {
+                        try
+                        {
+                            sourceObserver.observer.OnCompleted();
+                        }
+                        finally
+                        {
+                            sourceObserver.Dispose();
+                            subscription.Dispose();
+                        }
+                    }
+                }
+            }
+        }
+    }
+}