hemp

local term = require("term")
local robot = require("robot")
local args = {...}
local levelCurrent = 1
platforms = args[1]
levels = args[2]
if platforms==nil or levels== nil then
  print("ERROR, MISSING PLATFORMS OR HEIGHT VARS")
  os.exit()
end
function levelUp()
  if select(2,robot.detectUp()) == "solid"  then
    print("MAXIMUM HEIGHT REACHED, ABORTING")
  else
    u(4)
    levelCurrent = levelCurrent + 1
    print("Current level is: " .. levelCurrent)
  end
end
function levelDown()
  if select(2,robot.detectDown()) == "solid"  then
    print("MINIMUM HEIGHT REACHED, ABORTING")
  else
    d(4)
    levelCurrent = levelCurrent - 1
    print("Current level is: " .. levelCurrent)
  end
end
function u(x)
  for i=tonumber(x),1,-1 do
    repeat
      robot.swingUp()
    until(robot.up())
  end
end
function d(x)
  for i=tonumber(x),1,-1 do
    repeat
      robot.swingDown()
    until(robot.down())
  end
end
function f(x)
  for i=tonumber(x),1,-1 do
    repeat
        robot.swing()
    until(robot.forward())
  end
end
function b(x)
  for i=tonumber(x),1,-1 do
    local count = -1
    repeat
      count = count + 1
      if count>0 then
        l(2)
        repeat
          robot.swing()
        until(not robot.detect())
        r(2)
      end
    until(robot.back())
  end
end
function r(x)
  for i=tonumber(x),1,-1 do
    robot.turnRight()
  end
end
function l(x)
  for i=tonumber(x),1,-1 do
    robot.turnLeft()
  end
end

function clearPlatform()
  r(1)
  f(2)
  l(1)
  f(5)
  l(1)
  f(4)
  l(1)
  f(4)
  l(1)
  f(3)
  l(1)
  f(3)
  l(1)
  f(2)
  l(1)
  f(2)
  l(1)
  f(1)
end
function clearLevel()
  local effective = 0
  for i=tonumber(platforms),1,-1 do
    effective = effective + 1
    f(2)
    clearPlatform()
    l(1)
    if(i==1) then
      f(3)
      if(select(2,robot.detect())=="solid") then
        print("LAST PLATFORM, ABORTING NEXT ITERATIONS")
        break
      end
    else
      f(4)
    end
  end
  r(2)
  f(((effective*5) + (effective*3))-1)
  r(2)
end
function dropStuff()
  local perc = 0
  local tot = 100/robot.inventorySize()
  for i=robot.inventorySize(),1,-1 do
    robot.select(i)
    robot.dropDown()
    perc = perc + tot
    term.clearLine()
    io.write("DROPPING ITEMS: " .. math.ceil(perc) .. "%")
  end
  print(" ")
end


while true do
  for i=1,tonumber(levels),1 do
    print("Now going for level: " .. i  )
    print("Current level is: " .. levelCurrent)
    if(not(levelCurrent == i)) then

      repeat
        levelUp()
      until(tonumber(levelCurrent) == i)
    end
    clearLevel()
    if(not(levelCurrent == 1)) then
      repeat
        levelDown()
      until(levelCurrent==1)
    end
    dropStuff()
  end
  os.sleep(300)
end