1 // Copyright (C) 2008 Till Busch buti@bux.at
3 // This program is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU General Public License as
5 // published by the Free Software Foundation; either version 2 of the
6 // License, or (at your option) any later version.
8 // This program is distributed in the hope that it will be useful, but
9 // WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program; if not, write to the Free Software
15 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 #ifndef SGPAGEDLOD_HXX
18 #define SGPAGEDLOD_HXX 1
20 #include <simgear/structure/OSGVersion.hxx>
22 #define SG_PAGEDLOD_HAS_OPTIONS \
23 (SG_OSG_VERSION >= 29005)
25 #include <osg/PagedLOD>
26 #include <osgDB/Registry>
27 #include <osgDB/ReaderWriter>
28 #include <simgear/props/props.hxx>
38 class SGPagedLOD : public osg::PagedLOD
43 SGPagedLOD(const SGPagedLOD&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
45 META_Node(simgear, SGPagedLOD);
47 // virtual void traverse(osg::NodeVisitor& nv);
48 virtual void forceLoad(osgDB::DatabasePager* dbp,
49 osg::FrameStamp* framestamp,
52 // reimplemented to notify the loading through ModelData
53 bool addChild(osg::Node *child);
55 void setReaderWriterOptions(osgDB::ReaderWriter::Options *options) {
56 options->setObjectCacheHint(osgDB::ReaderWriter::Options::CACHE_NONE);
57 #if SG_PAGEDLOD_HAS_OPTIONS
58 setDatabaseOptions(options);
60 _readerWriterOptions = options;
64 osgDB::ReaderWriter::Options* getReaderWriterOptions() {
65 #if SG_PAGEDLOD_HAS_OPTIONS
66 return static_cast<osgDB::ReaderWriter::Options*>(getDatabaseOptions());
68 return _readerWriterOptions.get();
73 virtual ~SGPagedLOD();
74 #if SG_PAGEDLOD_HAS_OPTIONS
75 osg::ref_ptr<osgDB::ReaderWriter::Options> _readerWriterOptions;