-- Required control rate.
control_rate = 2

function control()
 if ai.taskname() == "none" then
  enemy = ai.getenemy()

  if enemey ~= 0 then
   -- Make hostile to enemy (mainly player).
   ai.hostile(enemy)
   ai.pushtask(0, "attack", enemy)
  end
 end
end

-- Required "attacked" function.
function attacked(attacker)
 task = ai.taskname()
 if task ~= "attack" then
  -- Now pilot fights back.
  ai.pushtask(0, "attack", attacker)
 
 elseif task == "attack" then
  if ai.targetid() ~= attacker then
   ai.pushtask(0, "attack", attacker)
  end
 end
end

function create()
end

function attack()
 target = ai.targetid()

 -- Make sure pilot exists.
 if not ai.exists(target) then
  ai.poptask()
  return
 end

 dir = ai.face(target)
 dist = ai.dist(ai.pos(target))
 second = ai.secondary()

 if ai.secondary() == "Launcher" then
  ai.settarget(target)
  is.shoot(2)
 end

 if dir < 10 and dist > 200 then
  ai.accel()
 elseif dir < 10 and dist < 200 then
  ai.shoot()
 end
end