/*
  TOOLFACTORY.hpp  -  supply of Tool implementations for the Builder
 
  Copyright (C)         Lumiera.org
    2008,               Hermann Vosseler <Ichthyostega@web.de>
 
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of the
  License, or (at your option) any later version.
 
  This program 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.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
*/


#ifndef MOBJECT_BUILDER_TOOLFACTORY_H
#define MOBJECT_BUILDER_TOOLFACTORY_H

#include "proc/mobject/session/fixture.hpp"
#include "proc/mobject/builder/segmentationtool.hpp"
#include "proc/mobject/builder/nodecreatortool.hpp"
#include "proc/mobject/builder/mould.hpp"
#include "proc/engine/rendergraph.hpp"

#include <boost/scoped_ptr.hpp>



namespace mobject {
  namespace builder {

    struct BuildProcessState;
    

    /**
     * provides the builder with the necessary, preconfigured tools.
     * Dedicated to a single build process, it holds the internal state
     * of this process and thus serves to coordinate and link together all
     * the individual parts fabricated by using the various tools. 
     */
    class ToolFactory
      {
        boost::scoped_ptr<BuildProcessState> state_;
        
      public:
        /** prepare a builder tool kit for dealing with the given Fixture,
         *  which is a snapshot of some timeline made explicit. */
        ToolFactory (session::Fixture&);
        
        /** prepare a tool for properly segmenting the Fixture */
        SegmentationTool &  configureSegmentation ();
        
        /** prepare a tool for building the render engine (graph) for a single segment */
        NodeCreatorTool &   configureFabrication ();
        
        /** receive the finished product of the build process; effectively
         *  releases any other builder tool object */
        std::auto_ptr<engine::RenderGraph> getProduct ();
      };



  } // namespace mobject::builder

} // namespace mobject
#endif