// File: ScriptedCar.cpp
//
// do not alter this file.
//

#include <iostream>
#include <string>
#include "ScriptedCar.h"

using namespace std ;

ScriptedCar::ScriptedCar() {
   // no code
}


ScriptedCar::ScriptedCar (
   unsigned int row,   // initial row number
   unsigned int col,   // initial column number
   char label,         // label in PrettyPrintCourse
   unsigned int fuel,  // initial fuel level
   string script       // script for moving around
) :
   Car(row, col, label, fuel), move(0), m_script(script)
{
   // do nothing else
}


void ScriptedCar::MakeMove() {

   if (m_script.size() == 0) return ;

   switch (m_script[move]) {

       case 'l' : Car::ZoomLeft() ; break ;

       case 'r' : Car::ZoomRight() ; break ;

       case 'u' : Car::ZoomUp() ; break ;

       case 'd' : Car::ZoomDown() ; break ;

      default : 
         cerr << "Unknown direction!\n" ;
         break ;
   }
   move = (move+1) % m_script.size() ;
}


void ScriptedCar::ZoomLeft() {
   MakeMove() ;
}


void ScriptedCar::ZoomRight() {
   MakeMove() ;
}


void ScriptedCar::ZoomUp() {
   MakeMove() ;
}


void ScriptedCar::ZoomDown() {
   MakeMove() ;
}