pearls

-- harvest ender pearls

-- pastebin -f get V9rtGYcM pearls

local robot=require("robot")
local computer=require("computer")

local function harvest()
  robot.swingDown()
  robot.select(1)
  robot.placeDown()
  robot.forward()
end

local function row()
  for i = 1, 16 do
    harvest()
  end
end

-- assume robot is place on ground level and needs to go up one
-- and move over first enderlily
robot.up()
robot.forward()

-- do first row
row()

-- position for 2nd row
robot.turnLeft()
robot.forward()
robot.turnLeft()
robot.forward()

-- harvest 2nd row
row()

-- position for 3rd row
robot.turnRight()
robot.forward()
robot.forward()
robot.turnRight()
robot.forward()

-- harvest 3rd row
row()

-- position for 4th row
robot.turnLeft()
robot.forward()
robot.turnLeft()
robot.forward()

-- harvest 4th row
row()

-- need to add a deposit routine

-- rtb
robot.down()
robot.turnLeft()
robot.forward()
robot.forward()
robot.forward()
robot.forward()
-- robot. turnLeft()

-- refuel & shutdown
for i = 1, 10 do
  robot.forward()
end
os.sleep(5)
robot.turnLeft()
robot.turnLeft()
for v = 1, 10 do
  robot.forward()
end
robot.turnRight()
computer.shutdown()