#include <sstream>
#include <string>

#include "exception.h"
#include "bullet.h"
#include "parse.h"

using namespace JFK;
using std::string;

bullet::bullet(int itype)
    : type(itype)
{
}

string
bullet::tostring() const
{
    std::ostringstream  oss;
    oss << "x=" << x << " y=" << y << " dx=" << dx << " dy=" << dy
        << " v=" << v << " type=" << type;
    return oss.str();
}

void
bullet::fromstring(const string& s)
{
    int index=0;
    string arg = argument(0, s);
    
    while (arg.length() > 0)
    {
        string id = identifier(arg);
        if (id == "x") x = strtodbl(value(arg));
        else if (id == "y") y = strtodbl(value(arg));
        else if (id == "dx") dx = strtodbl(value(arg));
        else if (id == "dy") dy = strtodbl(value(arg));
        else if (id == "v") v = strtodbl(value(arg));
        else if (id == "type") type = strtoint(value(arg));
        // else throw exception("wrong string"); ignore better...

        index++;
        arg = argument(index, s);
    }
}

string
bullet::classname() const
{
    return "bullet";
}