#include <osgDB/ReadFile>
#include <osgDB/Input>
#include <osgDB/ParameterOutput>
+#include <osgDB/DatabasePager>
#include <simgear/debug/logstream.hxx>
#include <simgear/structure/OSGVersion.hxx>
using namespace osg;
using namespace simgear;
+bool SGPagedLOD::_cache = true;
+
SGPagedLOD::SGPagedLOD()
: PagedLOD()
{
}
SGPagedLOD::SGPagedLOD(const SGPagedLOD& plod,const CopyOp& copyop)
- : osg::PagedLOD(plod, copyop),
- _readerWriterOptions(plod._readerWriterOptions)
+ : osg::PagedLOD(plod, copyop)
+#if !SG_PAGEDLOD_HAS_OPTIONS
+ , _readerWriterOptions(plod._readerWriterOptions)
+#endif
+{
+}
+
+void
+SGPagedLOD::setReaderWriterOptions(osgDB::ReaderWriter::Options *options)
{
+ if (_cache)
+ options->setObjectCacheHint(osgDB::ReaderWriter::Options::CACHE_ALL);
+ else
+ options->setObjectCacheHint(osgDB::ReaderWriter::Options::CACHE_NONE);
+#if SG_PAGEDLOD_HAS_OPTIONS
+ setDatabaseOptions(options);
+#else
+ _readerWriterOptions = options;
+#endif
}
bool SGPagedLOD::addChild(osg::Node *child)
return true;
}
-void SGPagedLOD::forceLoad(osgDB::DatabasePager *dbp, osg::FrameStamp* framestamp)
+// Work around interface change in osgDB::DatabasePager::requestNodeFile
+struct NodePathProxy
+{
+ NodePathProxy(NodePath& nodePath)
+ : _nodePath(nodePath)
+ {
+ }
+ operator Group* () { return static_cast<Group*>(_nodePath.back()); }
+ operator NodePath& () { return _nodePath; }
+ NodePath& _nodePath;
+};
+
+void SGPagedLOD::forceLoad(osgDB::DatabasePager *dbp, FrameStamp* framestamp,
+ NodePath& path)
{
//SG_LOG(SG_GENERAL, SG_ALERT, "SGPagedLOD::forceLoad(" <<
//getFileName(getNumChildren()) << ")");
unsigned childNum = getNumChildren();
setTimeStamp(childNum, 0);
double priority=1.0;
- dbp->requestNodeFile(getFileName(childNum),this,priority,framestamp,
+ dbp->requestNodeFile(getFileName(childNum), NodePathProxy(path),
+ priority, framestamp,
getDatabaseRequest(childNum),
- _readerWriterOptions.get());
+ getReaderWriterOptions());
}
bool SGPagedLOD_writeLocalData(const Object& obj, osgDB::Output& fw)