modelAssigner.h

00001 
00002 /* Copyright (c) 2009, Stefan Eilemann <eile@equalizergraphics.com> 
00003  *
00004  * This library is free software; you can redistribute it and/or modify it under
00005  * the terms of the GNU Lesser General Public License version 2.1 as published
00006  * by the Free Software Foundation.
00007  *  
00008  * This library is distributed in the hope that it will be useful, but WITHOUT
00009  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00010  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00011  * details.
00012  * 
00013  * You should have received a copy of the GNU Lesser General Public License
00014  * along with this library; if not, write to the Free Software Foundation, Inc.,
00015  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00016  */
00017 
00018 #ifndef EQ_PLY_MODELASSIGNER_H
00019 #define EQ_PLY_MODELASSIGNER_H
00020 
00021 namespace eqPly
00022 {
00024 class ModelAssigner : public eq::ConfigVisitor
00025 {
00026 public:
00027     ModelAssigner( const ModelDistVector& models ) 
00028             : _models( models ), _current( models.begin( )), _layout( 0 ) {}
00029 
00030     virtual eq::VisitorResult visit( eq::View* view )
00031         {
00032             const ModelDist* model = *_current;
00033             static_cast< View* >( view )->setModelID( model->getID( ));
00034 
00035             ++_current;
00036             if( _current == _models.end( ))
00037                 _current = _models.begin(); // wrap around
00038 
00039             return eq::TRAVERSE_CONTINUE; 
00040         }
00041 
00042 private:
00043     const ModelDistVector&          _models;
00044     ModelDistVector::const_iterator _current;
00045     
00046     eq::Layout* _layout;
00047 };
00048 
00049 }
00050 #endif // EQ_PLY_MODELASSIGNER_H