TimerNode.h

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/*
-----------------------------------------------------------------------------
This source file is part of FRAPPER
research.animationsinstitut.de
sourceforge.net/projects/frapper

Copyright (c) 2008-2009 Filmakademie Baden-Wuerttemberg, Institute of Animation 

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; version 2.1 of the License.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
-----------------------------------------------------------------------------
*/


#ifndef TIMERNODE_H
#define TIMERNODE_H

#include "Node.h"

// OGRE
#include <Ogre.h>
#if (OGRE_PLATFORM  == OGRE_PLATFORM_WIN32)
#include <windows.h>
#endif

// forward declaration
class QTimer;

namespace TimerNode {
using namespace Frapper;

class TimerNode : public Node
{

    Q_OBJECT
    ADD_INSTANCE_COUNTER

public: // constructors and destructors

    TimerNode ( const QString &name, ParameterGroup *parameterRoot );

    virtual ~TimerNode ();

protected: // events

private slots:  

    void timerEvent ();

    void activateTimer();

    void changeInterval();


private: //funtions

private: // data

    // timer functionality is implemented using a QTimer
    QTimer          *m_pTimer;

    // References to parameters for direct read and write access
    NumberParameter *m_pSystemTime;
    NumberParameter *m_pNormalizedTime;
    NumberParameter *m_pNormalizedTimeInterval;

    Parameter *m_pUpdate;

    int     m_interval;
    int     m_baseTime;
};

} // namespace TimerNode 

#endif