From ee1eecad1a7da013aac32206156a59cb921617a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sat, 20 Apr 2013 00:46:46 +0200
Subject: [PATCH] SceneGraph: wrong assertion.

It is easier to just skip the object than explicitly removing
duplicates (or worse, cleaning it more than once).
---
 src/SceneGraph/Object.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/SceneGraph/Object.hpp b/src/SceneGraph/Object.hpp
index 8940f51de..746258e7a 100644
--- a/src/SceneGraph/Object.hpp
+++ b/src/SceneGraph/Object.hpp
@@ -346,7 +346,9 @@ template<class Transformation> void Object<Transformation>::setClean(std::vector
 
     /* Go through all objects and clean them */
     for(std::size_t i = 0; i != objects.size(); ++i) {
-        CORRADE_INTERNAL_ASSERT(objects[i]->isDirty());
+        /* The object might be duplicated in the list, don't clean it more than once */
+        if(!objects[i]->isDirty()) continue;
+
         objects[i]->setClean(transformations[i]);
         CORRADE_ASSERT(!objects[i]->isDirty(), "SceneGraph::Object::setClean(): original implementation was not called", );
     }