core.H

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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).
 */

#ifndef ARCHON_X3D_CORE_H
#define ARCHON_X3D_CORE_H

#include <archon/x3d/server/type.H>
#include <archon/x3d/server/context.H>

namespace Archon
{
  namespace X3D
  {
    struct Viewer; // "view.H"

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

    protected:
      MetadataObject() {}

    private:
      friend void initializeCoreComponent();

      string name;
      string reference;

      EventSource nameChanged;
      EventSource referenceChanged;

      Time nameStamp;
      Time referenceStamp;
    };


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

    protected:
      Node() {}

    private:
      friend void initializeCoreComponent();

      Ref<MetadataObject> metadata;

      EventSource metadataChanged;

      Time metadataStamp;
    };


    struct ChildNode: virtual Node
    {
      static const NodeType *type;

    protected:
      ChildNode() {}
    };


    struct SensorNode: virtual ChildNode
    {
      static const NodeType *type;

      bool getEnabled() const { return enabled; }

    protected:
      SensorNode(): enabled(true), isActive(false) {}

    private:
      friend class Viewer;
      friend void initializeCoreComponent();

      bool enabled;

    protected:
      bool isActive;

    private:
      EventSource enabledChanged;

    protected:
      EventSource isActiveChanged;

      Time enabledStamp;

    private:
      bool enabledAssign(const bool &, const Time &);

      virtual void onDisable();
    };


    struct MetadataDouble: virtual Node, MetadataObject
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new MetadataDouble(c);
      }

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

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

    private:
      friend void initializeCoreComponent();

      vector<double> value;

      EventSource valueChanged;

      Time valueStamp;
    };


    struct MetadataFloat: virtual Node, MetadataObject
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new MetadataFloat(c);
      }

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

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

    private:
      friend void initializeCoreComponent();

      vector<double> value;

      EventSource valueChanged;

      Time valueStamp;
    };


    struct MetadataInteger: virtual Node, MetadataObject
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new MetadataInteger(c);
      }

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

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

    private:
      friend void initializeCoreComponent();

      vector<int> value;

      EventSource valueChanged;

      Time valueStamp;
    };


    struct MetadataSet: virtual Node, MetadataObject
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new MetadataSet(c);
      }

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

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

    private:
      friend void initializeCoreComponent();

      vector<Ref<MetadataObject> > value;

      EventSource valueChanged;

      Time valueStamp;
    };


    struct MetadataString: virtual Node, MetadataObject
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new MetadataString(c);
      }

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

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

    private:
      friend void initializeCoreComponent();

      vector<string> value;

      EventSource valueChanged;

      Time valueStamp;
    };
  }
}

#endif // ARCHON_X3D_CORE_H

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