From 27063e0eef8618f43716fc7247aa2aad05fe85c4 Mon Sep 17 00:00:00 2001
From: plague006 <plague006@gmail.com>
Date: Tue, 23 Oct 2018 22:12:25 -0400
Subject: [PATCH] Local count_entities_filtered

---
 map_gen/misc/nightfall.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/map_gen/misc/nightfall.lua b/map_gen/misc/nightfall.lua
index bd98158c..7a14f58f 100644
--- a/map_gen/misc/nightfall.lua
+++ b/map_gen/misc/nightfall.lua
@@ -33,6 +33,7 @@ local c_index
 local random = math.random
 local insert = table.insert
 local get_pollution = game.surfaces[1].get_pollution
+local count_entities_filtered = game.surfaces[1].count_entities_filtered
 
 local function biter_attack()
     local maxindex = #bases
@@ -93,7 +94,7 @@ local function find_bases()
         end
         if get_pollution(chunklist[i]) > 0.1 then
             local chunkcoord = chunklist[i]
-            if (game.surfaces[1].count_entities_filtered{area={{chunkcoord.x-16, chunkcoord.y-16},{chunkcoord.x+16, chunkcoord.y+16}},
+            if (count_entities_filtered{area={{chunkcoord.x-16, chunkcoord.y-16},{chunkcoord.x+16, chunkcoord.y+16}},
                     type = "unit-spawner"}) > 0 then                    
                 insert(bases,chunkcoord)
             end