Fix crash when placing cable plates

All coordinates can be equal if pointed_thing.above is identical
to pointed_thing.under.
This commit is contained in:
coil 2020-03-07 20:17:01 -05:00
parent fbc4cc8511
commit f2b709ecc6
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@ -215,7 +215,7 @@ function technic.register_cable(tier, size)
if i == 1 then
def.on_place = function(itemstack, placer, pointed_thing)
local pointed_thing_diff = vector.subtract(pointed_thing.above, pointed_thing.under)
local num
local num = 1
local changed
for k, v in pairs(pointed_thing_diff) do
if v ~= 0 then
@ -225,7 +225,7 @@ function technic.register_cable(tier, size)
end
end
local crtl = placer:get_player_control()
if (crtl.aux1 or crtl.sneak) and not (crtl.aux1 and crtl.sneak) then
if (crtl.aux1 or crtl.sneak) and not (crtl.aux1 and crtl.sneak) and changed then
local fine_pointed = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
fine_pointed = vector.subtract(fine_pointed, pointed_thing.above)
fine_pointed[changed] = nil