turtleCarAPI

function getDir(compass)
  compass = peripheral.find("compass")
  dir = compass.getFacing()
  return dir
end

function getCoords()
  coords = {}
  xFile = fs.open("coords/x", "r")
  coords[1] = xFile.readAll()
  xFile.close()
  yFile = fs.open("coords/y", "r")
  coords[2] = yFile.readAll()
  yFile.close()
  zFile = fs.open("coords/z", "r")
  coords[3] = zFile.readAll()
  zFile.close()
  return coords
end

function writeCoords(coords)
  xFile = fs.open("coords/x", "w")
  coords[1] = xFile.write(coords[1])
  xFile.close()
  yFile = fs.open("coords/y", "w")
  coords[2] = yFile.write(coords[2])
  yFile.close()
  zFile = fs.open("coords/z", "w")
  coords[3] = zFile.write(coords[3])
  zFile.close()
end

function left()
  turtle.turnLeft()
  dir = turtleCar.getDir()
end

function right()
  turtle.turnRight()
  dir = turtleCar.getDir()
end

function forward(num)
  while (num > 0) do
    if turtle.forward() then
      if dir == "north" then
--        coords[3] = coords[3] - 1
      elseif dir == "south" then
--        coords[3] = coords[3] + 1
      elseif dir == "east" then
--        coords[1] = coords[1] + 1
      elseif dir == "west" then
--        coords[1] = coords[1] - 1
      end
    end
  num = num - 1
  end
end

function backward(num)
  while (num > 0) do
    if turtle.back() then
      if dir == "north" then
--        coords[3] = coords[3] + 1
      elseif dir == "south" then
--        coords[3] = coords[3] - 1
      elseif dir == "east" then
--        coords[1] = coords[1] - 1
      elseif dir == "west" then
--        coords[1] = coords[1] + 1
      end
    end
  num = num - 1
  end
end

function up()
  if turtle.up() then
--    coords[2] = coords[2] + 1
  end
end

function down()
  if turtle.down() then
--    coords[2] = coords[2] - 1
  end
end