function actor_on_first_update()
	local pool = {
		["cit_endless_night_spawn_01"] = {
		pos = vector():set(-134.28648376465, -1.4032030105591, -330.41253662109),
		smart = "zombie_smart_ds_mlr_1",
		},
		["cit_endless_night_spawn_02"] = {
		pos = vector():set(51.318702697754, 3.5220413208008, 68.45654296875),
		smart = "zombie_smart_ds_mlr_2",
		},
		["cit_endless_night_spawn_03"] = {
		pos = vector():set(-221.71157836914, 9.9104175567627, -180.50151062012),
		smart = "cit_kanaliz1",
		}
	}
	
	for sec,v in pairs(pool) do
		local se = get_story_se_item(sec)
		if not (se) then
			local pos = v.pos
			local vid = level.vertex_id(pos)
			local gid = SIMBOARD.smarts_by_names[v.smart].m_game_vertex_id
			se = alife():create(sec,pos,vid,gid)		
		end
	end
end

function on_game_start()
	RegisterScriptCallback("actor_on_first_update",actor_on_first_update)
end