From Andrew Lorino and Mike Weiblen, COLLADA 1.4.1 ReaderWriter, kindly developed and donated by Sony Computer Entertainment Inc. US R&D.

2006-08-23 13:32:03 +00:00
parent d1b14abb91
commit d25735b6b9
22 changed files with 4894 additions and 0 deletions
--- a/src/osgPlugins/dae/ReaderWriterDAE.cpp
+++ b/src/osgPlugins/dae/ReaderWriterDAE.cpp
@@ -0,0 +1,124 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield 
+ *
+ * This application is open source and may be redistributed and/or modified   
+ * freely and without restriction, both in commericial and non commericial
+ * applications, as long as this copyright notice is maintained.
+ * 
+ * This application is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+*/
+
+#include <sstream>
+
+#include <osg/Notify>
+#include <osgDB/ReaderWriter>
+#include <osgDB/FileNameUtils>
+#include <osgDB/Registry>
+
+#include "daeReader.h"
+#include "daeWriter.h"
+
+#define EXTENSION_NAME "dae"
+
+///////////////////////////////////////////////////////////////////////////
+// OSG reader/writer plugin for the COLLADA 1.4.x ".dae" format.
+// See http://collada.org/ and http://khronos.org/collada/
+
+class ReaderWriterDAE : public osgDB::ReaderWriter
+{
+public:
+    ReaderWriterDAE() {}
+    
+    const char* className() const { return "COLLADA 1.4.x DAE reader/writer"; }
+
+    bool acceptsExtension(const std::string& extension) const
+    { 
+        return osgDB::equalCaseInsensitive( extension, EXTENSION_NAME );
+    }
+
+    ReadResult readNode(const std::string&, const Options*) const;
+
+    WriteResult writeNode(const osg::Node&, const std::string&, const Options*) const;
+};
+
+///////////////////////////////////////////////////////////////////////////
+
+osgDB::ReaderWriter::ReadResult
+ReaderWriterDAE::readNode(const std::string& fname,
+        const osgDB::ReaderWriter::Options* options) const
+{
+    std::string ext( osgDB::getLowerCaseFileExtension(fname) );
+    if( ! acceptsExtension(ext) ) return ReadResult::FILE_NOT_HANDLED;
+
+    std::string fileName( osgDB::findDataFile( fname, options ) );
+    if( fileName.empty() ) return ReadResult::FILE_NOT_FOUND;
+
+    osg::notify(osg::INFO) << "ReaderWriterDAE( \"" << fileName << "\" )" << std::endl;
+
+    osgdae::daeReader daeReader;
+    std::string fileURI( osgDB::convertFileNameToUnixStyle(fileName) );
+    if ( ! daeReader.convert( fileURI ) )
+    {
+        osg::notify( osg::WARN ) << "Load failed in COLLADA DOM conversion" << std::endl;
+        return ReadResult::ERROR_IN_READING_FILE;
+    }
+
+    osg::Node* rootNode( daeReader.getRootNode() );
+    return rootNode;
+}
+
+///////////////////////////////////////////////////////////////////////////
+
+osgDB::ReaderWriter::WriteResult
+ReaderWriterDAE::writeNode( const osg::Node& node,
+        const std::string& fname, const osgDB::ReaderWriter::Options* options ) const
+{
+    std::string ext( osgDB::getLowerCaseFileExtension(fname) );
+    if( ! acceptsExtension(ext) ) return WriteResult::FILE_NOT_HANDLED;
+
+    // Process options
+    bool usePolygon(false);
+    if( options )
+    {
+      std::istringstream iss( options->getOptionString() );
+      std::string opt;
+
+      while( std::getline( iss, opt, ',' ) )
+      {
+        if( opt == "polygon")  usePolygon = true;
+        else
+        {
+          osg::notify(osg::WARN)
+              << "\n" "COLLADA dae plugin: unrecognized option \"" << opt << "\"\n"
+              << "comma-delimited options:\n"
+              << "\tpolygon = use polygons instead of polylists for element\n"
+              << "example: osgviewer -O polygon bar.dae" "\n"
+              << std::endl;
+        }
+      }
+    }
+    
+    osgdae::daeWriter daeWriter( fname, usePolygon );
+    daeWriter.setRootNode( node );
+    const_cast<osg::Node*>(&node)->accept( daeWriter );
+
+    osgDB::ReaderWriter::WriteResult retVal( WriteResult::ERROR_IN_WRITING_FILE );
+    if ( daeWriter.isSuccess() )
+    {
+        if ( daeWriter.writeFile() )
+        {
+            retVal = WriteResult::FILE_SAVED;
+        }
+    }
+    
+    return retVal;
+}
+
+///////////////////////////////////////////////////////////////////////////
+// Add ourself to the Registry to instantiate the reader/writer.
+
+osgDB::RegisterReaderWriterProxy<ReaderWriterDAE> g_readerWriter_DAE_Proxy;
+
+// vim: set sw=4 ts=8 et ic ai: