group.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/field_type.H>
#include <archon/x3d/server/field.H>
#include <archon/x3d/server/scene.H>

namespace Archon
{
  namespace X3D
  {
    const NodeType *BoundedObject::type = 0;

    const NodeType *GroupingNode::type = 0;
    const NodeSequenceFieldBase *GroupingNode::childrenField = 0;

    const NodeType *Group::type = 0;
    const NodeType *Switch::type = 0;
    const NodeType *Transform::type = 0;


    void initializeGroupComponent()
    {
      vector<const FieldBase *> fields;


      // BoundedObject

      fields.push_back(newPrivateField("bboxCenter", SFVec3f::type,
                                       &BoundedObject::bboxCenter));
      fields.push_back(newPrivateField("bboxSize", SFVec3f::type,
                                       &BoundedObject::bboxSize));
      BoundedObject::type =
        NodeType::newAbstract("BoundedObject", false, &fields);
      fields.clear();


      // GroupingNode

      fields.push_back(newEventIn("addChildren",
                                  &GroupingNode::addChildren,
                                  &GroupingNode::childrenStamp));
      fields.push_back(newEventIn("removeChildren",
                                  &GroupingNode::removeChildren,
                                  &GroupingNode::childrenStamp));
      GroupingNode::childrenField =
        newExposedField("children",
                        &GroupingNode::children,
                        &GroupingNode::childrenChanged,
                        &GroupingNode::childrenStamp);
      fields.push_back(GroupingNode::childrenField);
      GroupingNode::type =
        NodeType::newAbstract("GroupingNode", false,
                              &fields, ChildNode::type);
      fields.clear();


      // Group

      Group::type =
        NodeType::newConcrete("Group", "children", Group::instantiate,
                              0, GroupingNode::type, BoundedObject::type);


      // Switch

      fields.push_back(newExposedField("whichChoice", SFInt32::type,
                                       &Switch::whichChoice,
                                       &Switch::whichChoiceChanged,
                                       &Switch::whichChoiceStamp));
      Switch::type =
        NodeType::newConcrete("Switch", "children", Switch::instantiate,
                              &fields, GroupingNode::type, BoundedObject::type);
      fields.clear();


      // Transform

      fields.push_back(newExposedField("center", SFVec3f::type,
                                       &Transform::center,
                                       &Transform::centerChanged,
                                       &Transform::centerStamp));
      fields.push_back(newExposedField("rotation", SFRotation::type,
                                       &Transform::rotation,
                                       &Transform::rotationChanged,
                                       &Transform::rotationStamp));
      fields.push_back(newExposedField("scale", SFVec3f::type,
                                       &Transform::scale,
                                       &Transform::scaleChanged,
                                       &Transform::scaleStamp));
      fields.push_back(newExposedField("scaleOrientation", SFRotation::type,
                                       &Transform::scaleOrientation,
                                       &Transform::scaleOrientationChanged,
                                       &Transform::scaleOrientationStamp));
      fields.push_back(newExposedField("translation", SFVec3f::type,
                                       &Transform::translation,
                                       &Transform::translationChanged,
                                       &Transform::translationStamp));
      Transform::type =
        NodeType::newConcrete("Transform", "children", Transform::instantiate,
                              &fields, GroupingNode::type, BoundedObject::type);
      fields.clear();
    }

    bool GroupingNode::addChildren(const vector<Ref<ChildNode> > &c, const Time &t)
    {
      for(unsigned i=0; i<c.size(); ++i)
        if(find(children.begin(), children.end(), c[i]) == children.end())
          children.push_back(c[i]);
      childrenStamp = t;
      Event event(childrenField->get(this), t);
      childrenChanged.cascadeEvent(&event);
      return true;
    }

    bool GroupingNode::removeChildren(const vector<Ref<ChildNode> > &c, const Time &t)
    {
      for(unsigned i=0; i<c.size(); ++i)
        children.erase(std::remove(children.begin(), children.end(),
                                   c[i]), children.end());
      childrenStamp = t;
      Event event(childrenField->get(this), t);
      childrenChanged.cascadeEvent(&event);
      return true;
    }
  }
}

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