function actor_on_first_update()
	local pool = {
		["agr_endless_night_spawn_01"] = {
		pos = vector():set(28.622802734375, 4.2881875038147, -124.99558258057),
		smart = "agr_smart_terrain_4_6",
		},
		["agr_endless_night_spawn_02"] = {
		pos = vector():set(52.704040527344, 16.574716567993, 123.60317993164),
		smart = "agr_smart_terrain_5_2",
		},
		["agr_endless_night_spawn_03"] = {
		pos = vector():set(-97.329170227051, 12.251251220703, 158.92121887207),
		smart = "agr_smart_terrain_2_2",
		}
	}
	
	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