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guard against calls from other mods that don't have all the required parameters

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FaceDeer 2019-04-14 23:17:08 -06:00
parent 9dac0858d7
commit c69b6fb0e4
1 changed files with 5 additions and 0 deletions
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5
extendingladder.lua
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@ -53,6 +53,11 @@ minetest.register_craft({
local ladder_extender = function(pos, node, clicker, itemstack, pointed_thing, ladder_node, standing_limit) local ladder_extender = function(pos, node, clicker, itemstack, pointed_thing, ladder_node, standing_limit)
-- on_rightclick can be called by other mods, make sure we have all the parameters we need
if pointed_thing == nil or itemstack == nil then
return itemstack
end
local clicked_stack = ItemStack(itemstack) local clicked_stack = ItemStack(itemstack)
-- true if we're pointing up at the ladder from below and there's a buildable space below it -- true if we're pointing up at the ladder from below and there's a buildable space below it