C:/Documents and Settings/jegan/Desktop/projectX/AimCommand.cpp

Go to the documentation of this file.

#include "Command.h"
#include "Person.h"
#include "List.h"
#include "Level.h"
#include "Sprite.h"

#include <string>
using namespace std;

const string AimCommand::_id = "aim";


AimCommand::AimCommand(Person *person, yDirection yDir)
:_person(person->id()),_yDir(yDir),_target(NULL)
{
        //cerr << "AimCommand" << endl;
}

//With the target
AimCommand::AimCommand(Person *person, Object *target)
:_person(person->id()),_target(target),_yDir(MIDDLE)
{
        if(_target == NULL)
                _target = (Object *)Level::instance()->getPlayer();

        //cerr << "AimCommand: aiming at " << _target->id() << endl;
}

AimCommand::AimCommand(List *command)
{
        command = command->rest();
        _person = command->firstString();
        command = command->rest()->firstList();
        if(command->firstString() == "direction")
        {
                _target = NULL;
                _yDir = (yDirection)command->rest()->firstInt();
        }
        else if(command->firstString() == "object")
        {
                _target = Level::instance()->getObject(command->rest()->firstString());
                _yDir = MIDDLE;
        }
}

void AimCommand::execute()
{
        Person *person = (Person *)Level::instance()->getObject(_person);
        if(person == NULL)
                return;

        if(_target != NULL)
        {
                SDL_Rect temp = person->getBox();

                if(glfuncs::intersectX(temp, _target->getBox()))
                {
                        int dist = _target->getBox().y - temp.y;

                        //cerr << "yDistance: "<< dist << endl;
                        //cerr << "height" << _target->getBox().h << endl;

                        if(abs(dist) < _target->getBox().h)
                                _yDir = MIDDLE;
                        else
                                _yDir = (yDirection)(dist/abs(dist));
                }
        }
        
        person ->aim(_yDir);
}
std::string AimCommand::getString()
{
        List *command = new List();
        command->snoc(new Atom(_id));
        command->snoc(new Atom(_person));
        if(_target == NULL)
        {
                List *subList = new List();
                subList->snoc(new Atom("direction"));
                subList->snoc(new Atom(_yDir));
                command->snoc(subList);
        }
        else
        {
                List *subList = new List();
                subList->snoc(new Atom("object"));
                subList->snoc(new Atom(_target->id()));
                command->snoc(subList);
        }
        string commandString = command->getString();
        delete command;

        return commandString;
}

        

---