feeder

local sensor = peripheral.wrap("right")
local rsSide = "back"
local count = {}
local specie = "Sheep"
local min = 16

function enableFeeder()
  rs.SetOutput(rsSide, false)
  print("Feeder enabled.")
end

function disableFeeder()
  rs.setOutput(rsSide, true)
  print("Feeder disabled.")
end

function reset()
  count=0
end

function add()
  count = count +1
end

function registerMob(id)
  if pcall(function() mob = sensor.getMobData(id) end) then
    local type = mob.name
    --print(type.." found.")
    if type==specie then
      add()
    end
  else
    print("error fetching fleeing animal.")
  end
end

while true do
  reset()
  for i,j in pairs(sensor.getMobIds()) do
    registerMob(j)
  end
  if count<min then
    print(specie.."s count : "..count.." < "..min)
    enableFeeder()
  else
    print(specie.."s count : "..count.." >= "..min)
    disableFeeder()
  end
  sleep(30)
end