Task5.jl

""""
    --function solve(r::Robot)
    Красит углы в поле с перегородками

"""

function solve(r::Robot)
  mvs = []
  go_to_corner(r, mvs) # Занять угол
  mark_corners!(r) # Покрасить углы
  return_back!(r, mvs) # Вернуться в начальное положение
end

function moveIfPossible(r::Robot, mvs::AbstractArray, side::HorizonSide)
  if !isborder(r, side)
      move!(r, side)
      push!(mvs, side)
  end    
end

function go_to_corner(r::Robot, mvs::AbstractArray)
  while isborder(r, Nord) == false || isborder(r, Ost) == false
    moveIfPossible!(r, mvs, Nord)
    moveIfPossible!(r, mvs, Ost)
  end
  # Робот достиг правого верхнего угла
end

function moves!(r::Robot, side::HorizonSide)
  while !isborder(r, side)
    move!(r, side)
  end  
end

function mark_corners(r::Robot) 
  for side in (Sud, West, Nord, Ost)
    moves!(r, side)
    putmarker!(r)
  end
end

function inverse(side::HorizonSide)
  return HorizonSide(mod(Int(side) + 2, 4))
end

function return_back(r::Robot, mvs::AbstractArray)
  while length(mvs) > 0
    last_move = mvs.pop()
    move!(r, inverse(last_move))
  end
end