/*
* DigAtTile.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "DigAtTile.h"
#include "VisitTile.h"
#include "../VCAI.h"
#include "../AIUtility.h"


extern boost::thread_specific_ptr<CCallback> cb;
extern boost::thread_specific_ptr<VCAI> ai;
extern FuzzyHelper * fh;

using namespace Goals;

bool DigAtTile::operator==(const DigAtTile & other) const
{
	return other.hero.h == hero.h && other.tile == tile;
}

TSubgoal DigAtTile::whatToDoToAchieve()
{
	const CGObjectInstance * firstObj = vstd::frontOrNull(cb->getVisitableObjs(tile));
	if(firstObj && firstObj->ID == Obj::HERO && firstObj->tempOwner == ai->playerID) //we have hero at dest
	{
		const CGHeroInstance * h = dynamic_cast<const CGHeroInstance *>(firstObj);
		sethero(h).setisElementar(true);
		return sptr(*this);
	}

	return sptr(VisitTile(tile));
}