83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
/*******************************************************
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Lightwave Scene Loader for OSG
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Copyright (C) 2004 Marco Jez <marco.jez@poste.it>
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OpenSceneGraph is (C) 2004 Robert Osfield
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********************************************************/
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#if defined(_MSC_VER)
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#pragma warning( disable : 4786 )
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#endif
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#include <string>
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#include <sstream>
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#include <osgDB/Registry>
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#include <osgDB/ReadFile>
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#include <osgDB/FileNameUtils>
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#include <osgDB/FileUtils>
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#include "SceneLoader.h"
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class ReaderWriterLWS : public osgDB::ReaderWriter
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{
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public:
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ReaderWriterLWS() {}
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virtual const char* className() const { return "ReaderWriterLWS"; }
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virtual bool acceptsExtension(const std::string &extension) const {
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return osgDB::equalCaseInsensitive(extension, "lws");
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}
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virtual ReadResult readNode(const std::string &file, const osgDB::ReaderWriter::Options *options) const
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{
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std::string ext = osgDB::getLowerCaseFileExtension(file);
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if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
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std::string fileName = osgDB::findDataFile(file, options);
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if (fileName.empty()) return ReadResult::FILE_NOT_FOUND;
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// code for setting up the database path so that internally referenced file are searched for on relative paths.
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osg::ref_ptr<Options> local_opt = options ? static_cast<Options*>(options->clone(osg::CopyOp::SHALLOW_COPY)) : new Options;
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local_opt->setDatabasePath(osgDB::getFilePath(fileName));
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lwosg::SceneLoader::Options conv_options = parse_options(local_opt.get());
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lwosg::SceneLoader scene_loader(conv_options);
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osg::ref_ptr<osg::Node> node = scene_loader.load(fileName, local_opt.get());
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if (node.valid()) {
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return node.release();
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}
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return ReadResult::FILE_NOT_HANDLED;
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}
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lwosg::SceneLoader::Options parse_options(const Options *options) const;
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protected:
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};
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lwosg::SceneLoader::Options ReaderWriterLWS::parse_options(const Options *options) const
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{
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lwosg::SceneLoader::Options conv_options;
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if (options) {
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std::istringstream iss(options->getOptionString());
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std::string opt;
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while (iss >> opt) {
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// no options yet!
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}
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}
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return conv_options;
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}
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// register with Registry to instantiate the above reader/writer.
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osgDB::RegisterReaderWriterProxy<ReaderWriterLWS> g_lwsReaderWriterProxy;
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