function actor_on_first_update()
	local pool = {
		["yan_endless_night_spawn_01"] = {
		pos = vector():set(161.0279083252, -0.71909606456757, 65.10375213623),
		smart = "yan_smart_terrain_1_6",
		},
		["yan_endless_night_spawn_02"] = {
		pos = vector():set(-209.48184204102, 6.8956809043884, -161.16413879395),
		smart = "yan_smart_terrain_4_2",
		},
		["yan_endless_night_spawn_03"] = {
		pos = vector():set(-161.47422790527, 6.5996909141541, -308.79528808594),
		smart = "yan_smart_terrain_6_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