C:/Documents and Settings/mtauraso/Desktop/proj3/projectX/FollowPlayerInRangeCommand.cpp

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#include "Command.h"
#include "Person.h"
#include "List.h"
#include "Level.h"
#include "Player.h"
#include <cmath>

#include <iostream>

using namespace std;

const std::string FollowPlayerInRangeCommand::_id = "followPlayerInRange";

FollowPlayerInRangeCommand::FollowPlayerInRangeCommand(Person *person, int range)
:_person(person),_range(range)
{
}

FollowPlayerInRangeCommand::FollowPlayerInRangeCommand(List *command)
{
        command = command->rest();
        _person = (Person *)Level::instance()->getObject(command->firstString());
        command = command->rest();
        _range = command->firstInt();
}
void FollowPlayerInRangeCommand::execute()
{
        Player* player = Level::instance()->getPlayer();
        int dist = player->getBox().x-_person->getBox().x;
        xDirection dir;
        if (dist > 0)
                dir = RIGHT;
        else
                dir = LEFT;

        dist = sqrt(pow((player->getBox().x-_person->getBox().x),2)+
                                        pow((player->getBox().y-_person->getBox().y),2));
        if(dist <= _range)
                MoveCommand(_person,dir).execute();
        else
                TurnCommand(_person,dir).execute();
}
std::string FollowPlayerInRangeCommand::getString()
{
        List *command = new List();
        command->snoc(new Atom(_id));
        command->snoc(new Atom(_person->id()));
        command->snoc(new Atom(_range));

        string commandString = command->getString();
        delete command;

        return commandString;
}

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