1 files changed, 38 insertions, 0 deletions
diff --git a/Assets/ThirdParty/VRM/VRM/DepthFirstScheduler/IEnumeratorExtensions.cs b/Assets/ThirdParty/VRM/VRM/DepthFirstScheduler/IEnumeratorExtensions.cs
new file mode 100644
index 00000000..30bd9f66
--- /dev/null
+++ b/Assets/ThirdParty/VRM/VRM/DepthFirstScheduler/IEnumeratorExtensions.cs
@@ -0,0 +1,38 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+
+namespace
+    DepthFirstScheduler
+{
+    public static class IEnumeratorExtensions
+    {
+        [Obsolete("Use CoroutineToEnd")]
+        public static void CoroutinetoEnd(this IEnumerator coroutine)
+        {
+            CoroutineToEnd(coroutine);
+        }
+
+        public static void CoroutineToEnd(this IEnumerator coroutine)
+        {
+            var stack = new Stack<IEnumerator>();
+            stack.Push(coroutine);
+            while (stack.Count > 0)
+            {
+                if (stack.Peek().MoveNext())
+                {
+                    var nested = stack.Peek().Current as IEnumerator;
+                    if (nested != null)
+                    {
+                        stack.Push(nested);
+                    }
+                }
+                else
+                {
+                    stack.Pop();
+                }
+            }
+        }
+    }
+}