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Do not crash server if world border is depowered

formspec-v4
Nils Dagsson Moskopp 2021-04-08 01:46:01 +02:00 committed by kay27
parent f0c2eb86a2
commit 7c8cf6f79f
1 changed files with 7 additions and 5 deletions

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@ -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