Cache the Animation's Skeleton

apps/openmw/mwrender/animation.cpp

@@ -311,6 +311,7 @@ namespace MWRender
 
     Animation::Animation(const MWWorld::Ptr &ptr, osg::ref_ptr<osg::Group> parentNode, Resource::ResourceSystem* resourceSystem)
         : mInsert(parentNode)
+        , mSkeleton(NULL)
         , mPtr(ptr)
         , mResourceSystem(resourceSystem)
         , mAccumulate(1.f, 1.f, 0.f)
@@ -338,10 +339,8 @@ namespace MWRender
 
     void Animation::setActive(bool active)
     {
-        if (SceneUtil::Skeleton* skel = dynamic_cast<SceneUtil::Skeleton*>(mObjectRoot.get()))
-        {
-            skel->setActive(active);
-        }
+        if (mSkeleton)
+            mSkeleton->setActive(active);
     }
 
     void Animation::updatePtr(const MWWorld::Ptr &ptr)
@@ -965,6 +964,7 @@ namespace MWRender
             mObjectRoot->getParent(0)->removeChild(mObjectRoot);
         }
         mObjectRoot = NULL;
+        mSkeleton = NULL;
 
         mNodeMap.clear();
         mActiveControllers.clear();
@@ -976,9 +976,11 @@ namespace MWRender
         else
         {
             osg::ref_ptr<osg::Node> newObjectRoot = mResourceSystem->getSceneManager()->createInstance(model);
-            if (!dynamic_cast<SceneUtil::Skeleton*>(newObjectRoot.get()))
+            mSkeleton = dynamic_cast<SceneUtil::Skeleton*>(newObjectRoot.get());
+            if (!mSkeleton)
             {
                 osg::ref_ptr<SceneUtil::Skeleton> skel = new SceneUtil::Skeleton;
+                mSkeleton = skel.get();
                 skel->addChild(newObjectRoot);
                 newObjectRoot = skel;
             }

apps/openmw/mwrender/animation.hpp

@@ -24,6 +24,7 @@ namespace NifOsg
 namespace SceneUtil
 {
     class LightSource;
+    class Skeleton;
 }
 
 namespace MWRender
@@ -208,6 +209,7 @@ protected:
     osg::ref_ptr<osg::Group> mInsert;
 
     osg::ref_ptr<osg::Node> mObjectRoot;
+    SceneUtil::Skeleton* mSkeleton;
 
     // The node expected to accumulate movement during movement animations.
     osg::ref_ptr<osg::Node> mAccumRoot;