From e02f35264fd2e8f78d258d73cb5f6c709b110e64 Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Sat, 6 Feb 2016 15:08:12 +0100
Subject: [PATCH] Work around OSG 3.2 not respecting the DEEP_COPY_CALLBACK
 flag (Fixes #3183)

---
 components/sceneutil/clone.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/components/sceneutil/clone.cpp b/components/sceneutil/clone.cpp
index 26f3f5c7c..784195e7e 100644
--- a/components/sceneutil/clone.cpp
+++ b/components/sceneutil/clone.cpp
@@ -81,6 +81,11 @@ namespace SceneUtil
 #endif
 
             osg::Drawable* cloned = osg::clone(drawable, copyop);
+#if OSG_VERSION_LESS_THAN(3,3,3)
+            // work around OSG 3.2 not respecting the DEEP_COPY_CALLBACK flag
+            if (cloned->getUpdateCallback())
+                cloned->setUpdateCallback(osg::clone(cloned->getUpdateCallback(), *this));
+#endif
             return cloned;
         }
         if (dynamic_cast<const SceneUtil::RigGeometry*>(drawable))