group.H

Go to the documentation of this file.

/*
 * 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).
 */

#ifndef ARCHON_X3D_GROUP_H
#define ARCHON_X3D_GROUP_H

#include <vector>
#include <string>

#include <archon/math/rotation.H>

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

namespace Archon
{
  namespace X3D
  {
    using namespace Math;


    struct BoundedObject: virtual NodeBase
    {
      static const NodeType *type;

      const Vector3 &getBboxCenter() const { return bboxCenter; }
      const Vector3 &getBboxSize() const { return bboxSize; }

    protected:
      BoundedObject():
        bboxCenter(0, 0, 0), bboxSize(-1, -1, -1) {}

    private:
      friend void initializeGroupComponent();

      Vector3 bboxCenter;
      Vector3 bboxSize;
    };


    struct GroupingNode: virtual ChildNode
    {
      static const NodeType *type;
      static const NodeSequenceFieldBase *childrenField;

      typedef vector<Ref<ChildNode> >::iterator       iterator;
      typedef vector<Ref<ChildNode> >::const_iterator const_iterator;

      iterator       begin()       { return children.begin(); }
      const_iterator begin() const { return children.begin(); }
      iterator       end()         { return children.end(); }
      const_iterator end()   const { return children.end(); }

    protected:
      GroupingNode() {}

    private:
      friend void initializeGroupComponent();

      vector<Ref<ChildNode> > children;

      EventSource childrenChanged;

      Time childrenStamp;

      bool addChildren(const vector<Ref<ChildNode> > &, const Time &);
      bool removeChildren(const vector<Ref<ChildNode> > &, const Time &);
    };


    struct Group: GroupingNode, BoundedObject
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new Group(c);
      }

      static const NodeType *type;
      const NodeType *getType() const { return type; }

      Group(BackRef<ExecutionContext> c): NodeBase(c) {}

      friend void initializeGroupComponent();
    };


    struct Switch: GroupingNode, BoundedObject
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new Switch(c);
      }

      static const NodeType *type;
      const NodeType *getType() const { return type; }

      Switch(BackRef<ExecutionContext> c): NodeBase(c), whichChoice(-1) {}

      int getWhichChoise() const { return whichChoice; }

    private:
      friend void initializeGroupComponent();

      int whichChoice;

      EventSource whichChoiceChanged;

      Time whichChoiceStamp;
    };


    struct Transform: GroupingNode, BoundedObject
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new Transform(c);
      }

      static const NodeType *type;
      const NodeType *getType() const { return type; }

      Transform(BackRef<ExecutionContext> c):
        NodeBase(c),
        center(0, 0, 0),
        rotation(Rotation3(Vector3(0, 0, 1), 0)),
        scale(1, 1, 1),
        scaleOrientation(Rotation3(Vector3(0, 0, 1), 0)),
        translation(0, 0, 0) {}

      const Vector3 &getCenter()             const { return center; }
      const Rotation3 &getRotation()         const { return rotation; }
      const Vector3 &getScale()              const { return scale; }
      const Rotation3 &getScaleOrientation() const { return scaleOrientation; }
      const Vector3 &getTranslation()        const { return translation; }

    private:
      friend void initializeGroupComponent();

      Vector3   center;
      Rotation3 rotation;
      Vector3   scale;
      Rotation3 scaleOrientation;
      Vector3   translation;

      EventSource centerChanged;
      EventSource rotationChanged;
      EventSource scaleChanged;
      EventSource scaleOrientationChanged;
      EventSource translationChanged;

      Time centerStamp;
      Time rotationStamp;
      Time scaleStamp;
      Time scaleOrientationStamp;
      Time translationStamp;
    };
  }
}

#endif // ARCHON_X3D_GROUP_H

---