From Paul Martz, .osg support for OcclusionQueryNode

src/osgPlugins/osg/OcclusionQueryNode.cpp

@@ -0,0 +1,66 @@
+//
+// Copyright (C) 2007 Skew Matrix Software LLC (http://www.skew-matrix.com)
+//
+// This library is open source and may be redistributed and/or modified under  
+// the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+// (at your option) any later version.  The full license is in LICENSE file
+// included with this distribution, and on the openscenegraph.org website.
+// 
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+// OpenSceneGraph Public License for more details.
+//
+
+#include <osg/OcclusionQueryNode>
+
+#include <iostream>
+#include <string>
+
+#include <osg/io_utils>
+
+#include <osgDB/Registry>
+#include <osgDB/Input>
+#include <osgDB/Output>
+#include <osgDB/ParameterOutput>
+
+bool OQN_readLocalData( osg::Object &obj, osgDB::Input &fr );
+bool OQN_writeLocalData( const osg::Object &obj, osgDB::Output &fw );
+
+osgDB::RegisterDotOsgWrapperProxy OcclusionQueryNode_Proxy
+(
+    new osg::OcclusionQueryNode,
+    "OcclusionQueryNode",
+    "Object Node OcclusionQueryNode Group",
+    OQN_readLocalData,
+    OQN_writeLocalData
+);
+
+bool OQN_readLocalData( osg::Object &obj, osgDB::Input &fr )
+{
+    osg::OcclusionQueryNode& oqn = static_cast<osg::OcclusionQueryNode&>( obj );
+    bool advanced( false );
+
+    if (fr[0].matchWord( "QueriesEnabled" ))
+    {
+        bool enable( fr[1].getStr() == std::string("TRUE") );
+        oqn.setQueriesEnabled( enable );
+        fr+=2;
+        advanced = true;
+    }
+
+    return advanced;
+}
+
+bool OQN_writeLocalData( const osg::Object &obj, osgDB::Output &fw )
+{
+    const osg::OcclusionQueryNode& oqn = static_cast<const osg::OcclusionQueryNode&>( obj );
+
+    //fw.writeObject( oqn.getOQN(i));
+
+    fw.indent() << "QueriesEnabled " <<
+        (oqn.getQueriesEnabled() ? "TRUE" : "FALSE")
+        << std::endl;
+
+    return true;
+}