-- Required control rate.
control_rate = 2

-- Required "control" function.
function control()
  if taskname() == "none" then
    pushtask(0, "fly")
  end
end

-- Required "attacked" function.
function attacked(attacker)
  if taskname() ~= "attack" and task ~= "runaway" then
    -- Let's have some taunts.
    if attacker == player then
      local msg = rng(0,4)
      if msg == 0 then say("You will never kill me!")
      elseif msg == 1 then say("DIE!")
      elseif msg == 2 then say("You won't survive!")
      elseif msg == 3 then say("I hate you!")
      end
    end
    pushtask(0, "attack", attacker)
  end
end

-- Runs away.
function runaway()
  local target = gettargetid()
  local dir = face(target, 1)
  accel()
end

-- Attack
function attack()
  local target = gettargetid()
  local dir = face(target)
  local dist = getdist(getpos(target))

  if parmour() < 70 then
    poptask()
    pushtask(0, "runaway", target)
  elseif dir < 10 and dist > 300 then
    accel()
  elseif dir < 10 and dist < 300 then
    shoot()
  end
end

-- Fly to the player.
function fly()
  local target = 0
  local dir = face(target)
  local dist = getdist(getpos(target))
  if dir < 10 and dist > 300 then
    accel()
  end
end