00001 // UpdateOnceCallback.hxx 00002 // 00003 // Copyright (C) 2009 Tim Moore timoore@redhat.com 00004 // 00005 // This library is free software; you can redistribute it and/or 00006 // modify it under the terms of the GNU Library General Public 00007 // License as published by the Free Software Foundation; either 00008 // version 2 of the License, or (at your option) any later version. 00009 // 00010 // This library is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 // Library General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU Library General Public 00016 // License along with this library; if not, write to the 00017 // Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00018 // Boston, MA 02111-1307, USA. 00019 00020 #include "UpdateOnceCallback.hxx" 00021 00022 #include <osg/Node> 00023 00024 namespace simgear 00025 { 00026 using namespace osg; 00027 00028 void UpdateOnceCallback::operator()(Node* node, NodeVisitor* nv) 00029 { 00030 doUpdate(node, nv); 00031 node->removeUpdateCallback(this); 00032 // The callback could be deleted now. 00033 } 00034 00035 void UpdateOnceCallback::doUpdate(Node* node, NodeVisitor* nv) 00036 { 00037 traverse(node, nv); 00038 } 00039 }