GravityProcess.h

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/*
Copyright (C) 2003-2005 The Pentagram team

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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#ifndef GRAVITYPROCESS_H
#define GRAVITYPROCESS_H

#include "Process.h"

class Item;

class GravityProcess : public Process
{
public:
        GravityProcess();
        GravityProcess(Item* item, int gravity);

        // add (xs,ys,zs) to current speed vector
        void move(int xs, int ys, int zs);
        void setGravity(int gravity);

        void init();

        // p_dynamic_cast stuff
        ENABLE_RUNTIME_CLASSTYPE();

        virtual bool run(const uint32 framenum);
        virtual void terminate();

        virtual void dumpInfo();

        bool loadData(IDataSource* ids, uint32 version);
protected:
        virtual void saveData(ODataSource* ods);


        int gravity;
        int xspeed, yspeed, zspeed;
};


#endif

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