source: experimental/distortionNG/ReaderWriterDist.cpp @ 365

#include "ReaderWriterDist.h"
#include <osg/KdTree>

ReaderWriterDist::ReaderWriterDist()
{
        supportsExtension( "dist", "distortion set loader");


        extensionToAdd = ".dist";
}

ReaderWriterDist::ReadResult ReaderWriterDist::readNode( const std::string& file, const osgDB::ReaderWriter::Options* options) const
{
        // Check if its a valid file for this pseudo loader
        std::string ext = osgDB::getLowerCaseFileExtension( file );
        if( !acceptsExtension(ext) )
                return ReadResult::FILE_NOT_HANDLED;

        // Strip the pseudo-loader extension
    std::string realName = osgDB::getNameLessExtension( file );

        // check if stripped file exists
        std::string fileName = osgDB::findDataFile( realName, options );
        if( fileName.empty() )
                return ReadResult::FILE_NOT_FOUND;

        // If options are available: Save it'S original KdTree Hint.
        Options::BuildKdTreesHint originalHint = Options::NO_PREFERENCE;
        if(options)
        {
                originalHint = options->getBuildKdTreesHint();
                const_cast<osgDB::ReaderWriter::Options*>(options)->setBuildKdTreesHint(Options::DO_NOT_BUILD_KDTREES);
        }

        // Load real file
        osg::Node *node = osgDB::readNodeFile( fileName, options );
    if( !node )
    {
        // propagate the read failure upwards
        OSG_WARN << "Subfile \"" << fileName << "\" could not be loaded" << std::endl;
        return ReadResult::FILE_NOT_HANDLED;
    }

        return node;
}

// Add ourself to the Registry to instantiate the reader/writer.
REGISTER_OSGPLUGIN(dist, ReaderWriterDist)