scene.C

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/*
 * This file is part of the "Archon" framework.
 * (http://files3d.sourceforge.net)
 *
 * Copyright © 2002 by Kristian Spangsege and Brian Kristiansen.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation under the terms of the GNU General Public License is
 * hereby granted. No representations are made about the suitability of
 * this software for any purpose. It is provided "as is" without express
 * or implied warranty. See the GNU General Public License
 * (http://www.gnu.org/copyleft/gpl.html) for more details.
 *
 * The characters in this file are ISO8859-1 encoded.
 *
 * The documentation in this file is in "Doxygen" style
 * (http://www.doxygen.org).
 */

#include <archon/x3d/server/server.H>
#include <archon/x3d/server/scene.H>

namespace Archon
{
  namespace X3D
  {
    void SceneBase::refForwardDestroy()
    {
      rootGroup.reset();
    }

    Ref<Group> SceneBase::getRootGroup() const
    {
      {
        Mutex::Lock l(contextMutex);
        if(!isRealizedNoLock()) return rootGroup;
      }
      try
      {
        Mutex::Lock l(server->scenegraphMutex);
        return rootGroup;
      }
      catch(ForwardDestroyedException &) { return 0; }
    }

    void SceneBase::setRootGroup(Ref<Group> g)
    {
      if(g)
      {
        if(g->context != this)
          ARCHON_THROW1(ArgumentException,
                        "setRootGroup: Group has wrong context");
        g->realize();
      }

      {
        Mutex::Lock l(contextMutex);
        if(!isRealizedNoLock())
        {
          rootGroup = g;
          return;
        }
      }
      try
      {
        Mutex::Lock l(server->scenegraphMutex);
        rootGroup = g;
      }
      catch(ForwardDestroyedException &) {}
    }

    SceneBase::SceneBase(Ref<Server> server, Uri baseUri,
                         Ref<AbstractFileServer> fileServer):
      ExecutionContext(server, baseUri, fileServer)
    {
    }

    Scene::Scene(Ref<Server> server, Uri baseUri,
                 Ref<AbstractFileServer> fileServer):
      SceneBase(server, baseUri, fileServer)
    {
    }

    /*
    string Scene::dump(int level) const
    {
      string s = "#X3D V3.0 utf8\nPROFILE Immersive\n";
      for(Group::const_iterator i = rootGroup->begin(); i != rootGroup->end(); ++i)
        if(*i) s += "\n" + (*i)->dump(level);
      return s;
    }
    */
  }
}

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