melee_turtlev12

--Turtle v1.2
https://pastebin.com/e93GxVeT

--for testing
s = 1
--/for testing

inputPos = "bottom" --redstone input
delayTime = 10 --Delay in seconds
opStatus = {
            ["on"] = false, --turtle should attack when true
            ["off"] = false, --turtle should NOT attack when true
            ["delayedOff"] = false --turtle should attack when true
           }
displayTimerStart = true
displayRefreshRate = 1
delayTimerStart = true



function attack()
 while true do
  if opStatus.on or opStatus.delayedOff then turtle.attack() end
  sleep(0) --no idea why it is needed but it do o.O
 end
end


function dropAll()
 while true do
  if opStatus.on or opStatus.delayedOff then
   for i=1,16 do
    turtle.select(i)
    turtle.drop()
   end
  end
 sleep(0) --no idea why it is needed but it do o.O
 end
end

--Displays statuses
function display()
 term.clear()
 term.setCursorPos(2,2)
 print("I'm operating.")
 term.setCursorPos(2,4)
 for status,state in pairs (opStatus) do
  if state then
   print ("I'm in '".. status .."' state.")
   if not (status == "off") then
    term.setCursorPos(2,5)
    print ("Don't go in front of me!")
   end
  end
 end
--for testing
 term.setCursorPos(2,11)
 term.write(tostring(s))
 s = s+1
--/for testing
end

--Main starts here

function main()

--[[Filling up opStatus table.
If redstone is active (mobspawner is off) upon load the turtle
stays on for delayTime seconds since it cannot be known if there
are any mobs in front of it.
--]]
 if rs.getInput(inputPos) then
   delayTimerID = os.startTimer(delayTime)
   opStatus.on = false
   opStatus.off = false
   opStatus.delayedOff = true
--for testing
   term.setCursorPos(2,10)
   term.clearLine()
   print("delayedOff ol")
--/for testing
 else
  opStatus.on = true
  opStatus.off = false
  opStatus.delayedOff = false
--for testing
  term.setCursorPos(2,10)
  term.clearLine()
  print("On ol")
--/for testing
 end


 while true do
  if displayTimerStart then
   displayTimerStart = false
   displayTimerID = os.startTimer(displayRefreshRate)
  end

  event, p1 = os.pullEvent()
  if event == "redstone" then
   if rs.getInput(inputPos) then
 --[[when rs input is active: delayedOff and
     start the delayTimer
 ]]--
    delayTimerID = os.startTimer(delayTime)
    opStatus.on = false
    opStatus.off = false
    opStatus.delayedOff = true
--for testing
    term.setCursorPos(2,10)
    term.clearLine()
    print("delayedOff il")
--/for testing
   else
 --when rs input is inactive: turn on
    opStatus.on = true
    opStatus.off = false
    opStatus.delayedOff = false
--for testing
    term.setCursorPos(2,10)
    term.clearLine()
    print("on il")
--/for testing
   end
  elseif event == "timer" and p1 == delayTimerID and opStatus.delayedOff then
 --when delayTimer is up and in delayOff state: turn off
   opStatus.on = false
   opStatus.off = true
   opStatus.delayedOff = false
--for testing
   term.setCursorPos(2,10)
   term.clearLine()
   print("Off il")
--/for testing
  elseif event == "timer" and p1 == displayTimerID then
   display()
   displayTimerStart = true
  end
 end
end

parallel.waitForAny(main,attack,dropAll)