Yields instructions

Assets/FlashTools/Scripts/FTRuntime/Yields/SwfWaitPlayStopped.cs

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+using System.Collections;
+
+namespace FTRuntime.Yields {
+	public class SwfWaitPlayStopped : IEnumerator {
+		SwfClipController _waitCtrl;
+
+		public SwfWaitPlayStopped(SwfClipController ctrl) {
+			Subscribe(ctrl);
+		}
+
+		public SwfWaitPlayStopped Reuse(SwfClipController ctrl) {
+			return Subscribe(ctrl);
+		}
+
+		//
+		// Private
+		//
+
+		SwfWaitPlayStopped Subscribe(SwfClipController ctrl) {
+			(this as IEnumerator).Reset();
+			if ( ctrl ) {
+				_waitCtrl = ctrl;
+				ctrl.OnPlayStoppedEvent += OnPlayStopped;
+			}
+			return this;
+		}
+
+		void OnPlayStopped(SwfClipController ctrl) {
+			(this as IEnumerator).Reset();
+		}
+
+		//
+		// IEnumerator
+		//
+
+		bool IEnumerator.MoveNext() {
+			return _waitCtrl != null;
+		}
+
+		void IEnumerator.Reset() {
+			if ( _waitCtrl != null ) {
+				_waitCtrl.OnPlayStoppedEvent -= OnPlayStopped;
+				_waitCtrl = null;
+			}
+		}
+
+		object IEnumerator.Current {
+			get { return null; }
+		}
+	}
+}