Terrain: remove ref argument that is now always true

components/terrain/quadtreenode.cpp

@@ -132,14 +132,14 @@ ViewData* QuadTreeNode::getView(osg::NodeVisitor &nv)
     if (nv.getVisitorType() == osg::NodeVisitor::CULL_VISITOR)
     {
         osgUtil::CullVisitor* cv = static_cast<osgUtil::CullVisitor*>(&nv);
-        ViewData* vd = mViewDataMap->getViewData(cv->getCurrentCamera(), true);
+        ViewData* vd = mViewDataMap->getViewData(cv->getCurrentCamera());
         vd->setEyePoint(nv.getEyePoint());
         return vd;
     }
     else // INTERSECTION_VISITOR
     {
         static osg::ref_ptr<osg::Object> dummyObj = new osg::DummyObject;
-        ViewData* vd = mViewDataMap->getViewData(dummyObj.get(), true);
+        ViewData* vd = mViewDataMap->getViewData(dummyObj.get());
         ViewData* defaultView = mViewDataMap->getDefaultView();
         if (defaultView->hasEyePoint())
             vd->setEyePoint(defaultView->getEyePoint());

components/terrain/viewdata.cpp

@@ -112,14 +112,13 @@ bool ViewData::Entry::set(QuadTreeNode *node, bool visible)
     }
 }
 
-ViewData *ViewDataMap::getViewData(osg::Object *viewer, bool ref)
+ViewData *ViewDataMap::getViewData(osg::Object *viewer)
 {
     Map::const_iterator found = mViews.find(viewer);
     if (found == mViews.end())
     {
         ViewData* vd = createOrReuseView();
-        if (ref)
-            vd->setViewer(viewer);
+        vd->setViewer(viewer);
         mViews[viewer] = vd;
         return vd;
     }
@@ -147,8 +146,7 @@ void ViewDataMap::clearUnusedViews(unsigned int frame)
     for (Map::iterator it = mViews.begin(); it != mViews.end(); )
     {
         ViewData* vd = it->second;
-        if ((!vd->getViewer() // if no ref was held, always need to clear to avoid holding a dangling ref.
-                || vd->getFrameLastUsed() + 2 < frame))
+        if (vd->getFrameLastUsed() + 2 < frame)
         {
             vd->setViewer(NULL);
             vd->clear();
@@ -174,7 +172,7 @@ void ViewDataMap::setDefaultViewer(osg::Object *viewer)
 
 ViewData* ViewDataMap::getDefaultView()
 {
-    return getViewData(mDefaultViewer, true);
+    return getViewData(mDefaultViewer);
 }
 
 

components/terrain/viewdata.hpp

@@ -70,7 +70,7 @@ namespace Terrain
     class ViewDataMap : public osg::Referenced
     {
     public:
-        ViewData* getViewData(osg::Object* viewer, bool ref);
+        ViewData* getViewData(osg::Object* viewer);
 
         ViewData* createOrReuseView();