toolfactory.cpp

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/*
  ToolFactory  -  supply of Tool implementations for the Builder
 
   Copyright (C)
     2008,            Hermann Vosseler <Ichthyostega@web.de>
 
 **Lumiera** 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. See the file COPYING for further details.
 
* *****************************************************************/
 
 
#include "steam/mobject/builder/toolfactory.hpp"
#include "lib/util.hpp"
 
#include <memory>
 
namespace steam {
namespace mobject {
namespace builder {
  
  using util::isnil;
  using std::unique_ptr;
  
  
  struct BuildProcessState
    {
      
      fixture::Fixture & fixedTimeline_;
      unique_ptr<engine::RenderGraph> procSegment_;
      
      unique_ptr<SegmentationTool> segmentation_;
      unique_ptr<NodeCreatorTool> fabrication_;
      
      
      BuildProcessState (fixture::Fixture& theTimeline)
        : fixedTimeline_(theTimeline),
          procSegment_(new engine::RenderGraph())
        { }
      
    };
  
  ToolFactory::ToolFactory (fixture::Fixture& theFixture)
    : state_(new BuildProcessState (theFixture))
  {
    ENSURE (state_->fixedTimeline_.isValid());
    ENSURE (state_->procSegment_.get());
  }
  
  
  SegmentationTool &
  ToolFactory::configureSegmentation ()
  {
    REQUIRE (state_->fixedTimeline_.isValid());
    REQUIRE (state_->procSegment_.get());
    
    state_->segmentation_.reset (new SegmentationTool (state_->fixedTimeline_));
    return *(state_->segmentation_);
  }
  
  
  NodeCreatorTool &
  ToolFactory::configureFabrication () 
  {
    REQUIRE (state_->procSegment_.get());
    REQUIRE (!isnil (*(state_->segmentation_)));
    
    state_->fabrication_.reset (new NodeCreatorTool(*this, *state_->procSegment_));
    return *(state_->fabrication_);
  }
  
  
  engine::RenderGraph&
  ToolFactory::getProduct ()
  {
    state_->segmentation_.reset(0);
    state_->fabrication_.reset(0);
    UNIMPLEMENTED ("anything regarding the fixture and build process....");
    return *state_->procSegment_;
  }
  
  
  
}}} // namespace steam::mobject::builder