void	State_Attack_Focus::OnEnter(void)
{
	std::cout << "OnEnter Attack Focus\n";
	Unit*	u;
	Game*	gm;

	gm = Game::GetInstance();
	u = this->_motherMachine->GetUnit();
	this->targetUnit = u->GetTargetAttackUnit();
	if (this->targetUnit != NULL)
	{
		if (u->GetAttackHandler()->CanAttack(this->targetUnit) == false)
			this->__BackToParent();
	}
	else
		this->__BackToParent();
}