[250] | 1 | #include "ReaderWriterTerrainMod.h" |
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| 2 | |
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| 3 | ReaderWriterTerrainMod::ReaderWriterTerrainMod() |
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| 4 | { |
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| 5 | supportsExtension( "terrainmod", "Terrain modification pseudo loader"); |
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| 6 | } |
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| 7 | |
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| 8 | //ReaderWriterTerrainMod::~ReaderWriterTerrainMod() |
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| 9 | //{ |
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| 10 | //} |
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| 11 | |
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| 12 | ReaderWriterTerrainMod::ReadResult ReaderWriterTerrainMod::readNode( const std::string& file, const osgDB::ReaderWriter::Options* options) const |
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| 13 | { |
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| 14 | std::string ext = osgDB::getLowerCaseFileExtension( file ); |
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| 15 | if( !acceptsExtension(ext) ) |
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| 16 | return ReadResult::FILE_NOT_HANDLED; |
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| 17 | |
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| 18 | std::string fileName = osgDB::findDataFile( file, options ); |
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| 19 | if( fileName.empty() ) |
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| 20 | return ReadResult::FILE_NOT_FOUND; |
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| 21 | |
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| 22 | // Strip the pseudo-loader extension |
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| 23 | std::string realName = osgDB::getNameLessExtension( fileName ); |
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| 24 | |
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| 25 | // Load real file |
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| 26 | osg::Node *node = osgDB::readNodeFile( realName, options ); |
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| 27 | if( !node ) |
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| 28 | { |
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| 29 | // propagate the read failure upwards |
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| 30 | OSG_WARN << "Subfile \"" << realName << "\" could not be loaded" << std::endl; |
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| 31 | return ReadResult::FILE_NOT_HANDLED; |
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| 32 | } |
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| 33 | |
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| 34 | // Modify Node |
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[251] | 35 | OSG_NOTIFY( osg::ALWAYS ) << "Doing modification in pseudoloader!" << std::endl; |
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[250] | 36 | |
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[251] | 37 | // Traverse through loaded graph, check for PagedLOD and modify all filenames of external references |
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| 38 | ModificationVisitor modVisitor; |
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| 39 | node->accept( modVisitor ); |
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| 40 | |
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| 41 | std::string extensionToAdd = ".terrainmod"; |
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| 42 | |
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| 43 | |
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[250] | 44 | return node; |
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| 45 | } |
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| 46 | |
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| 47 | |
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| 48 | // Add ourself to the Registry to instantiate the reader/writer. |
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| 49 | REGISTER_OSGPLUGIN(terrainmod, ReaderWriterTerrainMod) |
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