Merge branch 'next' of git.gitorious.org:fg/simgear into next

[simgear.git] / simgear / scene / tgdb / TileEntry.cxx

diff --git a/simgear/scene/tgdb/TileEntry.cxx b/simgear/scene/tgdb/TileEntry.cxx
index 0e417865c2a474c544e335f3525003d928b30a2c..6c7c54c21580f33c8a17faf3e1e353435bad9381 100644 (file)
--- a/simgear/scene/tgdb/TileEntry.cxx
+++ b/simgear/scene/tgdb/TileEntry.cxx
@@ -82,6 +82,20 @@ TileEntry::TileEntry ( const SGBucket& b )
     _node->setRange(0, 0.0, 10000.0);
 }
 
+TileEntry::TileEntry( const TileEntry& t )
+: tile_bucket( t.tile_bucket ),
+  tileFileName(t.tileFileName),
+  _node( new osg::LOD ),
+  _priority(t._priority),
+  _current_view(t._current_view),
+  _time_expired(t._time_expired)
+{
+    _node->setName(tileFileName);
+    // Give a default LOD range so that traversals that traverse
+    // active children (like the groundcache lookup) will work before
+    // tile manager has had a chance to update this node.
+    _node->setRange(0, 0.0, 10000.0);
+}
 
 // Destructor
 TileEntry::~TileEntry ()
@@ -401,3 +415,20 @@ TileEntry::removeFromSceneGraph()
         }
     }
 }
+
+void
+TileEntry::refresh()
+{
+    osg::Group *parent = NULL;
+    // find the nodes branch parent
+    if ( _node->getNumParents() > 0 ) {
+        // find the first parent (should only be one)
+        parent = _node->getParent( 0 ) ;
+        if( parent ) {
+            parent->removeChild( _node.get() );
+        }
+    }
+    _node = new osg::LOD;
+    if (parent)
+        parent->addChild(_node.get());
+}