time.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_TIME_H
#define ARCHON_X3D_TIME_H

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

namespace Archon
{
  namespace X3D
  {
    struct TimeDependentNode: virtual ChildNode, FrameDrivenNode
    {
      static const NodeType *type;

    protected:
      TimeDependentNode(): isPaused(false), loop(false), numLoops(1) {}

      friend void initializeTimeComponent();

      bool   isPaused;     // [out]
      Time   elapsedTime;  // [out]    
      bool   loop;         // [in,out]   FALSE
      double numLoops;     // [in,out]   1     POSITIVE
      Time   startTime;    // [in,out]   0
      Time   stopTime;     // [in,out]   0
      Time   pauseTime;    // [in,out]   0
      Time   resumeTime;   // [in,out]   0

      EventSource isPausedChanged;
      EventSource elapsedTimeChanged;
      EventSource loopChanged;
      EventSource numLoopsChanged;
      EventSource startTimeChanged;
      EventSource stopTimeChanged;
      EventSource pauseTimeChanged;
      EventSource resumeTimeChanged;

      Time loopStamp;
      Time numLoopsStamp;
      Time startTimeStamp;
      Time stopTimeStamp;
      Time pauseTimeStamp;
      Time resumeTimeStamp;
    };

    struct TimeSensor: TimeDependentNode, SensorNode
    {
      static Ref<NodeBase> instantiate(BackRef<ExecutionContext> c)
      {
        return new TimeSensor(c);
      }

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

      TimeSensor(BackRef<ExecutionContext> c):
        NodeBase(c), cycleInterval(1.0), fraction(0) {}

      void tick();

    private:
      friend void initializeTimeComponent();

      Time   cycleInterval; // SFTime  [in,out]  1     POSITIVE
      Time   cycleTime;     // SFTime  [out]
      double fraction;      // SFFloat [out]
      Time   time;          // SFTime  [out]

      EventSource cycleIntervalChanged;
      EventSource cycleTimeChanged;
      EventSource fractionChanged;
      EventSource timeChanged;

      Time cycleIntervalStamp;
    };
  }
}

#endif // ARCHON_X3D_TIME_H

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