pentacubee.lua

--pentacubee

local robot = require("robot")

offset = 10
size = 5

--functions
function gotocorner (r)
  for i = 1,r,1
  do
    robot.forward()
  end
    robot.turnRight()
  for i = 1,r,1
  do
    robot.forward()
  end
  robot.turnRight()
end

function makeplane (size)
  local spiral = size - 1
  while spiral > 0
  do
    for side = 1,4,1
    do
      for i = 1,spiral,1
      do
        robot.placeDown()
        if i < spiral then robot.forward() end
      end
      if side < 4 then robot.forward() end
      robot.turnRight()
    end
    robot.forward()
    spiral = spiral - 2
  end
  robot.placeDown()
end

function makewalls (size)
  for side = 1,4,1
  do
    for i = 1,size,1
    do
      robot.placeDown()
      if i < size then robot.forward() end
    end
    robot.turnRight()
  end
end

--move to field

for i = 1,offset,1
do
  robot.forward()
end

--go to starting corner for floor
gotocorner(size / 2)

--build floor
robot.select(4)
robot.up()
makeplane(size)

--go to starting corner for walls
gotocorner(size / 2)

--build walls
for f = 1,size - 2,1
do
  robot.select(4+f)
  robot.up()
  makewalls(size)
  if f == 2 then
    for z = 1,2,1
      do
      robot.forward()
    end
    robot.turnRight()
    for z = 1,2,1
      do
      robot.forward()
    end
    robot.select(13)
    robot.placeDown()
    robot.select(4+f)
    for z = 1,2,1
    do
      robot.forward()
    end
    robot.turnRight()
    for z = 1,2,1
      do
      robot.forward()
    end
    robot.turnRight()
  end
end

--build ceiling
robot.up()
robot.select(8)
makeplane(size)