Copy transformations data when we clone node (bug #5163)

CHANGELOG.md

@@ -144,6 +144,7 @@
     Bug #5159: NiMaterialColorController can only control the diffuse color
     Bug #5161: Creature companions can't be activated when they are knocked down
     Bug #5164: Faction owned items handling is incorrect
+    Bug #5163: UserData is not copied during node cloning
     Bug #5166: Scripts still should be executed after player's death
     Feature #1774: Handle AvoidNode
     Feature #2229: Improve pathfinding AI

components/sceneutil/clone.cpp

@@ -6,8 +6,9 @@
 #include <osgParticle/ParticleSystemUpdater>
 #include <osgParticle/Emitter>
 
-#include <components/sceneutil/morphgeometry.hpp>
+#include <components/nifosg/userdata.hpp>
 
+#include <components/sceneutil/morphgeometry.hpp>
 #include <components/sceneutil/riggeometry.hpp>
 
 namespace SceneUtil
@@ -30,6 +31,15 @@ namespace SceneUtil
         return const_cast<osg::StateSet*>(stateset);
     }
 
+    osg::Object* CopyOp::operator ()(const osg::Object* node) const
+    {
+        // We should copy node transformations when we copy node
+        if (const NifOsg::NodeUserData* data = dynamic_cast<const NifOsg::NodeUserData*>(node))
+            return osg::clone(data, *this);
+
+        return osg::CopyOp::operator()(node);
+    }
+
     osg::Node* CopyOp::operator ()(const osg::Node* node) const
     {
         if (const osgParticle::ParticleProcessor* processor = dynamic_cast<const osgParticle::ParticleProcessor*>(node))

components/sceneutil/clone.hpp

@@ -32,6 +32,7 @@ namespace SceneUtil
         virtual osg::Drawable* operator() (const osg::Drawable* drawable) const;
 
         virtual osg::StateSet* operator() (const osg::StateSet* stateset) const;
+        virtual osg::Object* operator ()(const osg::Object* node) const;
 
     private:
         // maps new ParticleProcessor to their old ParticleSystem pointer