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auto_controller: Avoid nil error when digging slopes (#69)

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Crashes otherwise if offset field is left empty.
Related: https://github.com/minetest/minetest/issues/10180
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tuedel 2020-08-11 18:57:09 +02:00 committed by GitHub
parent eea743185d
commit 1c85c822e8
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nodes/node_controllers.lua
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@ -270,6 +270,7 @@ minetest.register_node("digtron:auto_controller", {
local node = minetest.get_node(pos)
local controlling_coordinate = digtron.get_controlling_coordinate(pos, node.param2)
offset = offset or 0
local newpos = pos
local markerpos = {x=newpos.x, y=newpos.y, z=newpos.z}
local x_pos = math.floor((newpos[controlling_coordinate]+offset)/slope)*slope - offset