RxRxR Room

lengthMax = 4
widthMax = 4
heightMax = 5
turn = 1
turnLast = turn
lengthCurrent = lengthMax
placeTorch = 10
width = widthMax
finishWalk = widthMax
heightMax = heightMax - 3
height = heightMax
ending = false
kill = false

function left()
  turtle.turnLeft()
end

function right()
  turtle.turnRight()
end

function moveForward()
  while turtle.detect() do
    turtle.dig()
  end
  moved = false
  while not(moved) do
    moved = turtle.forward()
  end
end

function digForward()
  while turtle.detect() do
    turtle.dig()
  end
end

function digBelow()
  while turtle.detectDown() do
    turtle.digDown()
  end
end

function digAbove()
  while turtle.detectUp() do
    turtle.digUp()
  end
end

function moveUp()
  turtle.digUp()
  moved = false
  while not(moved) do
    turtle.up()
    moved = turtle.up()
  end
end

function goDown()
  turtle.down()
end

function goUp()
  turtle.up()
end

function moveDown()
  turtle.digDown()
  moved = false
  while not(moved) do
    moved = turtle.down()
  end
end

function upBreak()
  digAbove()
  goUp()
  digAbove()
end

function leftDig()
  turtle.turnLeft()
  moveForward()
  digAbove()
  digBelow()
  while height > 0 do
    upBreak()
    height = height - 1
  end
  height = heightMax
  while height > 0 do
    moveDown()
    height = height - 1
  end
  height = heightMax
  turtle.turnLeft()
end

function rightDig()
  turtle.turnRight()
  moveForward()
  digAbove()
  digBelow()
  while height > 0 do
    upBreak()
    height = height - 1
  end
  height = heightMax
  while height > 0 do
    moveDown()
    height = height - 1
  end
  height = heightMax
  turtle.turnRight()
end

function leftWalk()
  turtle.turnLeft()
  moveForward()
  digAbove()
  digBelow()
  while height > 0 do
    upBreak()
    height = height - 1
  end
  height = heightMax
  while height > 0 do
    moveDown()
    height = height - 1
  end
  height = heightMax
end

function rightWalk()
  turtle.turnRight()
  moveForward()
  digAbove()
  digBelow()
  while height > 0 do
    upBreak()
    height = height - 1
  end
  height = heightMax
  while height > 0 do
    moveDown()
    height = height - 1
  end
  height = heightMax
end

while true do
  if lengthCurrent > 0 and ending == false then
    moveForward()
    digAbove()
    digBelow()
    while height > 0 do
      upBreak()
      height = height - 1
    end
    height = heightMax
    while height > 0 do
      moveDown()
      height = height - 1
    end
    height = heightMax
    placeTorch = placeTorch - 1
    lengthCurrent = lengthCurrent - 1
    if placeTorch <= 0 then
      placeTorch = 10
      turtle.placeDown()
    end
  end
  if lengthCurrent <= 0 and turn == 1 and width > 0 then
    width = width - 1
    if width > 0 then
      rightDig()
      lengthCurrent = lengthMax
      turn = 2
      print("Turned Right")
    end
  end
  if lengthCurrent <= 0 and turn == 2 and width > 0 then
    width = width - 1
    if width > 0 then
      leftDig()
      lengthCurrent = lengthMax
      turn = 1
      print("Turned Left")
    end
  end
  if width <= 0 then
    turnLast = turn
    turn = 3
    ending = true
  end
  if width <= 0 and turn == 3 and ending == true then
    print("Final Walk Home")
    if turnLast == 1 then
      lengthCurrent = lengthMax
      left()
      finishWalk = finishWalk - 1
      while finishWalk > 0 do
        moveForward()
        finishWalk = finishWalk - 1
      end
      while lengthCurrent > 0 do
        moveForward()
        lengthCurrent = lengthCurrent - 1
      end
    end
    if turnLast == 2 then
      right()
      finishWalk = finishWalk - 1
      while finishWalk > 0 do
        moveForward()
        finishWalk = finishWalk - 1
      end
      right()
    end
    kill = true
    turn = 4
  end
  if kill == true then
    print("Killing the Program")
    error()
  end
end