GameState.h

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/*
 *   ORXONOX - the hottest 3D action shooter ever to exist
 *                    > www.orxonox.net <
 *
 *
 *   License notice:
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation; either version 2
 *   of the License, or (at your option) any later version.
 *
 *   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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 *   Author:
 *      Reto Grieder
 *   Co-authors:
 *      ...
 *
 */

#ifndef _GameState_H__
#define _GameState_H__

#include "CorePrereqs.h"

#include <map>
#include <string>
#include "util/UtilPrereqs.h"

namespace orxonox
{
    class _CoreExport GameState
    {
        friend class Game;

    public:
        struct State
        {
            unsigned active       : 1;
            unsigned activating   : 1;
            unsigned deactivating : 1;
            unsigned updating     : 1;
            unsigned suspended    : 1;
            unsigned topState     : 1;
        };

    public:
        GameState(const GameStateInfo& info);
        virtual ~GameState();

        const std::string& getName()   const;
        State getActivity()            const { return activity_; }
        const GameStateInfo& getInfo() const { return info_; }

    protected:
        virtual void activate() { }
        virtual void deactivate() { }
        virtual void update(const Clock& time) { }

    private:
        void setActivity(State activity);
        void activateInternal();
        void deactivateInternal();
        void updateInternal(const Clock& time);

        const GameStateInfo& info_;
        State                activity_;
    };
}

#endif /* _GameState_H__ */