1710b431a5
separately, so it always inlines them in the .osg file (as far as I can tell). This change adds that ability. "
367 lines
12 KiB
C++
367 lines
12 KiB
C++
#include <sstream>
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#include <osg/Image>
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#include <osg/Group>
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#include <osg/Notify>
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#include <osgDB/FileNameUtils>
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#include <osgDB/FileUtils>
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#include <osgDB/fstream>
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#include <osgDB/Registry>
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#include <osgDB/Input>
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#include <osgDB/Output>
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using namespace osg;
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using namespace osgDB;
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// pull in symbols from individual .o's to enable the static build to work
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USE_DOTOSGWRAPPER(AlphaFunc)
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USE_DOTOSGWRAPPER(AnimationPath)
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USE_DOTOSGWRAPPER(AutoTransform)
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USE_DOTOSGWRAPPER(Billboard)
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USE_DOTOSGWRAPPER(BlendColor)
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USE_DOTOSGWRAPPER(BlendEquation)
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USE_DOTOSGWRAPPER(BlendFunc)
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USE_DOTOSGWRAPPER(Camera)
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USE_DOTOSGWRAPPER(CameraView)
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USE_DOTOSGWRAPPER(ClearNode)
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USE_DOTOSGWRAPPER(ClipNode)
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USE_DOTOSGWRAPPER(ClipPlane)
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USE_DOTOSGWRAPPER(ClusterCullingCallback)
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USE_DOTOSGWRAPPER(ColorMask)
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USE_DOTOSGWRAPPER(ColorMatrix)
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USE_DOTOSGWRAPPER(ConvexPlanarOccluder)
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USE_DOTOSGWRAPPER(CoordinateSystemNode)
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USE_DOTOSGWRAPPER(CullFace)
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USE_DOTOSGWRAPPER(Depth)
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USE_DOTOSGWRAPPER(Drawable)
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USE_DOTOSGWRAPPER(EllipsoidModel)
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USE_DOTOSGWRAPPER(Fog)
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USE_DOTOSGWRAPPER(FragmentProgram)
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USE_DOTOSGWRAPPER(FrontFace)
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USE_DOTOSGWRAPPER(Geode)
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USE_DOTOSGWRAPPER(Geometry)
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USE_DOTOSGWRAPPER(Group)
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USE_DOTOSGWRAPPER(Image)
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USE_DOTOSGWRAPPER(ImageSequence)
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USE_DOTOSGWRAPPER(Light)
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USE_DOTOSGWRAPPER(LightModel)
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USE_DOTOSGWRAPPER(LightSource)
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USE_DOTOSGWRAPPER(LineStipple)
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USE_DOTOSGWRAPPER(LineWidth)
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USE_DOTOSGWRAPPER(LOD)
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USE_DOTOSGWRAPPER(Material)
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USE_DOTOSGWRAPPER(MatrixTransform)
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USE_DOTOSGWRAPPER(NodeCallback)
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USE_DOTOSGWRAPPER(Node)
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USE_DOTOSGWRAPPER(Object)
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USE_DOTOSGWRAPPER(OccluderNode)
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USE_DOTOSGWRAPPER(OcclusionQueryNode)
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USE_DOTOSGWRAPPER(PagedLOD)
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USE_DOTOSGWRAPPER(Point)
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USE_DOTOSGWRAPPER(PointSprite)
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USE_DOTOSGWRAPPER(PolygonMode)
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USE_DOTOSGWRAPPER(PolygonOffset)
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USE_DOTOSGWRAPPER(PositionAttitudeTransform)
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USE_DOTOSGWRAPPER(Program)
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USE_DOTOSGWRAPPER(Projection)
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USE_DOTOSGWRAPPER(ProxyNode)
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USE_DOTOSGWRAPPER(Scissor)
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USE_DOTOSGWRAPPER(Sequence)
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USE_DOTOSGWRAPPER(ShadeModel)
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USE_DOTOSGWRAPPER(Shader)
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USE_DOTOSGWRAPPER(Sphere)
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USE_DOTOSGWRAPPER(Cone)
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USE_DOTOSGWRAPPER(Capsule)
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USE_DOTOSGWRAPPER(Box)
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USE_DOTOSGWRAPPER(HeightField)
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USE_DOTOSGWRAPPER(CompositeShape)
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USE_DOTOSGWRAPPER(Cylinder)
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USE_DOTOSGWRAPPER(ShapeDrawable)
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USE_DOTOSGWRAPPER(StateAttribute)
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USE_DOTOSGWRAPPER(StateSet)
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USE_DOTOSGWRAPPER(Stencil)
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USE_DOTOSGWRAPPER(Switch)
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USE_DOTOSGWRAPPER(TessellationHints)
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USE_DOTOSGWRAPPER(TexEnvCombine)
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USE_DOTOSGWRAPPER(TexEnv)
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USE_DOTOSGWRAPPER(TexEnvFilter)
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USE_DOTOSGWRAPPER(TexGen)
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USE_DOTOSGWRAPPER(TexGenNode)
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USE_DOTOSGWRAPPER(TexMat)
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USE_DOTOSGWRAPPER(Texture1D)
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USE_DOTOSGWRAPPER(Texture2D)
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USE_DOTOSGWRAPPER(Texture3D)
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USE_DOTOSGWRAPPER(Texture)
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USE_DOTOSGWRAPPER(TextureCubeMap)
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USE_DOTOSGWRAPPER(TextureRectangle)
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USE_DOTOSGWRAPPER(Transform)
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USE_DOTOSGWRAPPER(Uniform)
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USE_DOTOSGWRAPPER(VertexProgram)
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USE_DOTOSGWRAPPER(Viewport)
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class OSGReaderWriter : public ReaderWriter
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{
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public:
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OSGReaderWriter()
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{
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supportsExtension("osg","OpenSceneGraph Ascii file format");
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supportsExtension("osgs","Psuedo OpenSceneGraph file loaded, with file encoded in filename string");
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supportsOption("precision","Set the floating point precision when writing out files");
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supportsOption("OutputTextureFiles","Write out the texture images to file");
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}
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virtual const char* className() const { return "OSG Reader/Writer"; }
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virtual ReadResult readObject(const std::string& file, const Options* opt) const
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{
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std::string ext = osgDB::getLowerCaseFileExtension(file);
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if (equalCaseInsensitive(ext,"osgs"))
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{
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std::istringstream fin(osgDB::getNameLessExtension(file));
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if (fin) return readNode(fin,opt);
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return ReadResult::ERROR_IN_READING_FILE;
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}
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if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
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std::string fileName = osgDB::findDataFile( file, opt );
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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 = opt ? static_cast<Options*>(opt->clone(osg::CopyOp::SHALLOW_COPY)) : new Options;
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local_opt->getDatabasePathList().push_front(osgDB::getFilePath(fileName));
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osgDB::ifstream fin(fileName.c_str());
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if (fin)
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{
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return readObject(fin, local_opt.get());
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}
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return 0L;
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}
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virtual ReadResult readObject(std::istream& fin, const Options* options) const
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{
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fin.imbue(std::locale::classic());
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Input fr;
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fr.attach(&fin);
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fr.setOptions(options);
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typedef std::vector<osg::Object*> ObjectList;
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ObjectList objectList;
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// load all nodes in file, placing them in a group.
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while(!fr.eof())
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{
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Object *object = fr.readObject();
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if (object) objectList.push_back(object);
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else fr.advanceOverCurrentFieldOrBlock();
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}
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if (objectList.empty())
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{
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return ReadResult("No data loaded");
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}
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else if (objectList.size()==1)
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{
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return objectList.front();
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}
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else
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{
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return objectList.front();
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}
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}
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virtual ReadResult readNode(const std::string& file, const Options* opt) const
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{
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std::string ext = osgDB::getLowerCaseFileExtension(file);
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if (equalCaseInsensitive(ext,"osgs"))
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{
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std::istringstream fin(osgDB::getNameLessExtension(file));
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if (fin) return readNode(fin,opt);
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return ReadResult::ERROR_IN_READING_FILE;
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}
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if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
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std::string fileName = osgDB::findDataFile( file, opt );
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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 = opt ? static_cast<Options*>(opt->clone(osg::CopyOp::SHALLOW_COPY)) : new Options;
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local_opt->getDatabasePathList().push_front(osgDB::getFilePath(fileName));
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osgDB::ifstream fin(fileName.c_str());
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if (fin)
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{
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return readNode(fin, local_opt.get());
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}
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return 0L;
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}
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virtual ReadResult readNode(std::istream& fin, const Options* options) const
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{
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fin.imbue(std::locale::classic());
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Input fr;
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fr.attach(&fin);
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fr.setOptions(options);
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typedef std::vector<osg::Node*> NodeList;
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NodeList nodeList;
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// load all nodes in file, placing them in a group.
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while(!fr.eof())
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{
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Node *node = fr.readNode();
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if (node) nodeList.push_back(node);
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else fr.advanceOverCurrentFieldOrBlock();
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}
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if (nodeList.empty())
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{
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return ReadResult("No data loaded");
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}
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else if (nodeList.size()==1)
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{
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return nodeList.front();
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}
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else
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{
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Group* group = new Group;
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group->setName("import group");
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for(NodeList::iterator itr=nodeList.begin();
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itr!=nodeList.end();
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++itr)
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{
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group->addChild(*itr);
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}
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return group;
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}
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}
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void setPrecision(Output& fout, const osgDB::ReaderWriter::Options* options) const
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{
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if (options)
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{
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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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{
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if(opt=="PRECISION" || opt=="precision")
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{
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int prec;
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iss >> prec;
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fout.precision(prec);
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}
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if (opt=="OutputTextureFiles")
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{
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fout.setOutputTextureFiles(true);
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}
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if (opt=="OutputShaderFiles")
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{
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fout.setOutputShaderFiles(true);
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}
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}
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}
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}
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virtual WriteResult writeObject(const Object& obj, const std::string& fileName, const osgDB::ReaderWriter::Options* options) const
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{
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std::string ext = osgDB::getLowerCaseFileExtension(fileName);
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if (!acceptsExtension(ext)) return WriteResult::FILE_NOT_HANDLED;
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Output fout(fileName.c_str());
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if (fout)
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{
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fout.setOptions(options);
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setPrecision(fout,options);
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fout.imbue(std::locale::classic());
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fout.writeObject(obj);
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fout.close();
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return WriteResult::FILE_SAVED;
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}
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return WriteResult("Unable to open file for output");
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}
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virtual WriteResult writeObject(const Object& obj,std::ostream& fout, const osgDB::ReaderWriter::Options* options) const
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{
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if (fout)
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{
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Output foutput;
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foutput.setOptions(options);
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std::ios &fios = foutput;
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fios.rdbuf(fout.rdbuf());
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fout.imbue(std::locale::classic());
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setPrecision(foutput,options);
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foutput.writeObject(obj);
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return WriteResult::FILE_SAVED;
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}
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return WriteResult("Unable to write to output stream");
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}
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virtual WriteResult writeNode(const Node& node, const std::string& fileName, const osgDB::ReaderWriter::Options* options) const
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{
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std::string ext = getFileExtension(fileName);
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if (!acceptsExtension(ext)) return WriteResult::FILE_NOT_HANDLED;
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Output fout(fileName.c_str());
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if (fout)
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{
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fout.setOptions(options);
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fout.imbue(std::locale::classic());
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setPrecision(fout,options);
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fout.writeObject(node);
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fout.close();
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return WriteResult::FILE_SAVED;
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}
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return WriteResult("Unable to open file for output");
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}
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virtual WriteResult writeNode(const Node& node, std::ostream& fout, const osgDB::ReaderWriter::Options* options) const
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{
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if (fout)
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{
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Output foutput;
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foutput.setOptions(options);
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std::ios &fios = foutput;
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fios.rdbuf(fout.rdbuf());
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foutput.imbue(std::locale::classic());
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setPrecision(foutput,options);
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foutput.writeObject(node);
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return WriteResult::FILE_SAVED;
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}
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return WriteResult("Unable to write to output stream");
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}
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};
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// now register with Registry to instantiate the above
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// reader/writer.
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REGISTER_OSGPLUGIN(osg, OSGReaderWriter)
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