build4

local go = { ... }
local height = 1
local length1 = 0
local length2 = 0
local icount = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
local islot = 1
local n = 0
local x = 1
local z = 1
local y = 1
local side = 1
local dist = 0
if #go == 1 then
  length1 = tonumber(go[1])
  length2 = tonumber(go[1])
elseif #go == 2 then
  length1 = tonumber(go[1])
  length2 = tonumber(go[2])
elseif #go == 3 then
  length1 = tonumber(go[1])
  length2 = tonumber(go[2])
  height = tonumber(go[3])
else
  print ("Usage: length,width,height(optional)")
  return
end
print("Length:",length1," Width:",length2," Height:",height)
turtle.forward()

function buildlong()
  dist = length1
  moving()
end

function buildwide()
 if side == 4 then
 print("side4")
    dist = length2 - 1
  else
    dist = length2
  end
  moving()
end

function moving()
print("moving")
if turtle.getItemCount(islot) ~= 0 then
    turtle.placeDown()
    dist = dist - 1
 print(dist)
    if dist == 0 then
      if side ~= 4 then
      turtle.turnRight()
      else
      turtle.forward()
      turtle.turnRight()
      end
    side = side + 1
        if (side == 2) or (side == 4) then
        buildwide()
        elseif side == 3 then
        buildlong()
        else
          if y == height then
          print("almost")
          ENDit()

          else
          side = 1
          y = y + 1
          turtle.up()
          buildlong()

          end
        end
    else
    end
    turtle.forward()
    moving()

else
slotselect()

end
end

function slotselect()
  print("slotselect")
  sleep(1)
  islot = 1
  while turtle.getItemCount(islot) == 0 do
    while islot == 16 do
        print("Press E to quit or C to continue.")
        local event, key = os.pullEvent("char") -- limit os.pullEvent to the 'key' event
        if key == keys.e then -- if the key pressed was 'e'
            print("You pressed E. Ending...")
            ENDit()

        elseif key == keys.c then
            print("Moving On")
            slotselect()

        else
        end
    end
      islot = islot + 1
  end
  turtle.select(islot)
  moving()
end


function ENDit()
print("Done")
os.reboot()
end

buildlong()