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Chests: Check 'def' of node above chest to avoid crash

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In 'chest_lid_obstructed(pos)' check for nil 'def' to avoid a crash caused by
an unknown node above the chest.
This commit is contained in:
paramat 2017-06-16 03:47:12 +01:00 committed by paramat
parent 502720b14d
commit 120e96938d
1 changed files with 4 additions and 3 deletions
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7
mods/default/nodes.lua
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@ -1783,13 +1783,14 @@ local function get_chest_formspec(pos)
end
local function chest_lid_obstructed(pos)
local above = { x = pos.x, y = pos.y + 1, z = pos.z }
local above = {x = pos.x, y = pos.y + 1, z = pos.z}
local def = minetest.registered_nodes[minetest.get_node(above).name]
-- allow ladders, signs, wallmounted things and torches to not obstruct
if def.drawtype == "airlike" or
if def and
(def.drawtype == "airlike" or
def.drawtype == "signlike" or
def.drawtype == "torchlike" or
(def.drawtype == "nodebox" and def.paramtype2 == "wallmounted") then
(def.drawtype == "nodebox" and def.paramtype2 == "wallmounted")) then
return false
end
return true