From 7c8cf6f79f9f695ed570f4394615af63c3f071f0 Mon Sep 17 00:00:00 2001 From: Nils Dagsson Moskopp Date: Thu, 8 Apr 2021 01:46:01 +0200 Subject: [PATCH] Do not crash server if world border is depowered --- mods/ITEMS/REDSTONE/mesecons/internal.lua | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/mods/ITEMS/REDSTONE/mesecons/internal.lua b/mods/ITEMS/REDSTONE/mesecons/internal.lua index 7986c2908b..7ad5a2bdf2 100644 --- a/mods/ITEMS/REDSTONE/mesecons/internal.lua +++ b/mods/ITEMS/REDSTONE/mesecons/internal.lua @@ -483,11 +483,13 @@ function mesecon.turnoff(pos, link) for _, r in ipairs(mesecon.rule2meta(f.link, mesecon.rules.mcl_alldirs_spread)) do local np = vector.add(f.pos, r) local n = mesecon.get_node_force(np) - if mesecon.is_receptor_on(n.name) then - local receptorrules = mesecon.receptor_get_rules(n) - for _, rr in pairs(receptorrules) do - if rr.spread and vector.equals(mesecon.invertRule(rr), r) then - return false + if not (mesecon.get_node_force(np) == nil) then + if mesecon.is_receptor_on(n.name) then + local receptorrules = mesecon.receptor_get_rules(n) + for _, rr in pairs(receptorrules) do + if rr.spread and vector.equals(mesecon.invertRule(rr), r) then + return false + end end end end