Change some osg::clone's to direct copy constructor to avoid dynamic_cast overhead

apps/openmw/mwrender/animation.cpp

@@ -543,7 +543,7 @@ namespace MWRender
             size_t blendMask = detectBlendMask(node);
 
             // clone the controller, because each Animation needs its own ControllerSource
-            osg::ref_ptr<NifOsg::KeyframeController> cloned = osg::clone(it->second.get(), osg::CopyOp::DEEP_COPY_ALL);
+            osg::ref_ptr<NifOsg::KeyframeController> cloned = new NifOsg::KeyframeController(*it->second, osg::CopyOp::SHALLOW_COPY);
             cloned->setSource(mAnimationTimePtr[blendMask]);
 
             animsrc->mControllerMap[blendMask].insert(std::make_pair(bonename, cloned));
@@ -1272,7 +1272,7 @@ namespace MWRender
             writableStateSet = node->getOrCreateStateSet();
         else
         {
-            writableStateSet = osg::clone(node->getStateSet(), osg::CopyOp::SHALLOW_COPY);
+            writableStateSet = new osg::StateSet(*node->getStateSet(), osg::CopyOp::SHALLOW_COPY);
             node->setStateSet(writableStateSet);
         }
         writableStateSet->setTextureAttributeAndModes(texUnit, textures.front(), osg::StateAttribute::ON);

apps/openmw/mwrender/util.cpp

@@ -55,7 +55,7 @@ void overrideTexture(const std::string &texture, Resource::ResourceSystem *resou
 
     osg::ref_ptr<osg::StateSet> stateset;
     if (node->getStateSet())
-        stateset = osg::clone(node->getStateSet(), osg::CopyOp::SHALLOW_COPY);
+        stateset = new osg::StateSet(*node->getStateSet(), osg::CopyOp::SHALLOW_COPY);
     else
         stateset = new osg::StateSet;
 

components/sceneutil/lightmanager.cpp

@@ -368,7 +368,7 @@ namespace SceneUtil
         mId = sLightId++;
 
         for (int i=0; i<2; ++i)
-            mLight[i] = osg::clone(copy.mLight[i].get(), copyop);
+            mLight[i] = new osg::Light(*copy.mLight[i].get(), copyop);
     }
 
 

components/sceneutil/lightmanager.hpp

@@ -64,7 +64,7 @@ namespace SceneUtil
         void setLight(osg::Light* light)
         {
             mLight[0] = light;
-            mLight[1] = osg::clone(light);
+            mLight[1] = new osg::Light(*light);
         }
 
         /// Get the unique ID for this light source.

components/sceneutil/statesetupdater.cpp

@@ -15,7 +15,7 @@ namespace SceneUtil
             for (int i=0; i<2; ++i) // Using SHALLOW_COPY for StateAttributes, if users want to modify it is their responsibility to set a non-shared one first
                                     // This can be done conveniently in user implementations of the setDefaults() method
             {
-                mStateSets[i] = osg::clone(src, osg::CopyOp::SHALLOW_COPY);
+                mStateSets[i] = new osg::StateSet(*src, osg::CopyOp::SHALLOW_COPY);
                 setDefaults(mStateSets[i]);
             }
         }

components/shader/shadervisitor.cpp

@@ -85,7 +85,7 @@ namespace Shader
         if (!node.getStateSet())
             return node.getOrCreateStateSet();
 
-        osg::ref_ptr<osg::StateSet> newStateSet = osg::clone(node.getStateSet(), osg::CopyOp::SHALLOW_COPY);
+        osg::ref_ptr<osg::StateSet> newStateSet = new osg::StateSet(*node.getStateSet(), osg::CopyOp::SHALLOW_COPY);
         node.setStateSet(newStateSet);
         return newStateSet.get();
     }