timemanager.h

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/***************************************************************************
 *   Copyright (C) 2005-2019 by the FIFE team                              *
 *   http://www.fifengine.net                                              *
 *   This file is part of FIFE.                                            *
 *                                                                         *
 *   FIFE 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; either          *
 *   version 2.1 of the License, or (at your option) any later version.    *
 *                                                                         *
 *   This library 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      *
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 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
 ***************************************************************************/

#ifndef FIFE_TIMEMANAGER_H
#define FIFE_TIMEMANAGER_H

// Standard C++ library includes
#include <vector>

// 3rd party library includes

// FIFE includes
// These includes are split up in two parts, separated by one empty line
// First block: files included from the FIFE root src directory
// Second block: files included from the same folder
#include "util/base/singleton.h"
#include "util/base/fife_stdint.h"

namespace FIFE {

    class TimeEvent;

    class TimeManager : public DynamicSingleton<TimeManager> {
    public:
        TimeManager();

        virtual ~TimeManager();

        void update();

        void registerEvent(TimeEvent* event);

        void unregisterEvent(TimeEvent* event);

        uint32_t getTime() const;

        uint32_t getTimeDelta() const;

        double getAverageFrameTime() const;

        void printStatistics() const;

    private:
        uint32_t m_current_time;
        uint32_t m_time_delta;
        double m_average_frame_time;

        std::vector<TimeEvent*> m_events_list;
    };

}//FIFE

#endif