/*
 * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/>
 *
 * Copyright (C) 2008 Trinity <http://www.trinitycore.org/>
 *
 * 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 TRINITY_GRIDSTATES_H
#define TRINITY_GRIDSTATES_H

#include "Map.h"

class TRINITY_DLL_DECL GridState
{
    public:
#ifdef TRINITY_DEBUG
#define MAGIC_TESTVAL 0xFBE823BA
        GridState() { i_Magic = MAGIC_TESTVAL; }
        bool checkMagic()
        {
            if(i_Magic != MAGIC_TESTVAL)
            {
                sLog.outError("!!! GridState: Magic value gone !!!");
                return false;
            }
            return true;
        }
        void setMagic() { i_Magic = MAGIC_TESTVAL; }
        unsigned int i_Magic;
#endif
        virtual void Update(Map &, NGridType&, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &t_diff) const = 0;
};

class TRINITY_DLL_DECL InvalidState : public GridState
{
    public:

        void Update(Map &, NGridType &, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &t_diff) const;
};

class TRINITY_DLL_DECL ActiveState : public GridState
{
    public:

        void Update(Map &, NGridType &, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &t_diff) const;
};

class TRINITY_DLL_DECL IdleState : public GridState
{
    public:

        void Update(Map &, NGridType &, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &t_diff) const;
};

class TRINITY_DLL_DECL RemovalState : public GridState
{
    public:

        void Update(Map &, NGridType &, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &t_diff) const;
};
#endif
