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/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* Copyright (C) 2008-2009 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_MOVEMENTGENERATOR_H
#define TRINITY_MOVEMENTGENERATOR_H
#include "Platform/Define.h"
#include "Policies/Singleton.h"
#include "Dynamic/ObjectRegistry.h"
#include "Dynamic/FactoryHolder.h"
#include "Common.h"
#include "MotionMaster.h"
class Unit;
class TRINITY_DLL_SPEC MovementGenerator
{
public:
virtual ~MovementGenerator();
virtual void Initialize(Unit &) = 0;
virtual void Finalize(Unit &) = 0;
virtual void Reset(Unit &) = 0;
virtual bool Update(Unit &, const uint32 &time_diff) = 0;
virtual MovementGeneratorType GetMovementGeneratorType() = 0;
virtual void unitSpeedChanged() { }
virtual bool GetDestination(float& /*x*/, float& /*y*/, float& /*z*/) const { return false; }
};
template<class T, class D>
class TRINITY_DLL_SPEC MovementGeneratorMedium : public MovementGenerator
{
public:
void Initialize(Unit &u)
{
//u->AssertIsType<T>();
(static_cast<D*>(this))->Initialize(*((T*)&u));
}
void Finalize(Unit &u)
{
//u->AssertIsType<T>();
(static_cast<D*>(this))->Finalize(*((T*)&u));
}
void Reset(Unit &u)
{
//u->AssertIsType<T>();
(static_cast<D*>(this))->Reset(*((T*)&u));
}
bool Update(Unit &u, const uint32 &time_diff)
{
//u->AssertIsType<T>();
return (static_cast<D*>(this))->Update(*((T*)&u), time_diff);
}
public:
// will not link if not overridden in the generators
void Initialize(T &u);
void Finalize(T &u);
void Reset(T &u);
bool Update(T &u, const uint32 &time_diff);
};
struct SelectableMovement : public FactoryHolder<MovementGenerator,MovementGeneratorType>
{
SelectableMovement(MovementGeneratorType mgt) : FactoryHolder<MovementGenerator,MovementGeneratorType>(mgt) {}
};
template<class REAL_MOVEMENT>
struct MovementGeneratorFactory : public SelectableMovement
{
MovementGeneratorFactory(MovementGeneratorType mgt) : SelectableMovement(mgt) {}
MovementGenerator* Create(void *) const;
};
typedef FactoryHolder<MovementGenerator,MovementGeneratorType> MovementGeneratorCreator;
typedef FactoryHolder<MovementGenerator,MovementGeneratorType>::FactoryHolderRegistry MovementGeneratorRegistry;
typedef FactoryHolder<MovementGenerator,MovementGeneratorType>::FactoryHolderRepository MovementGeneratorRepository;
#endif
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