Test for global 'pipeworks' before calling

1 files changed, 4 insertions, 2 deletions

diff --git a/shop.lua b/shop.lua
index 36765a3..a11bdbc 100644
--- a/shop.lua
+++ b/shop.lua
@@ -33,6 +33,8 @@ default.shop.formspec = {
 	end,

 }

 

+local have_pipeworks = minetest.global_exists("pipeworks")

+

 default.shop.check_privilege = function(listname,playername,meta)

 	--[[if listname == "pl1" then

 		if playername ~= meta:get_string("pl1") then

@@ -104,9 +106,9 @@ minetest.register_node("currency:shop", {
 		inv:set_size("stock", 3*2)

 		inv:set_size("owner_wants", 3*2)

 		inv:set_size("owner_gives", 3*2)

-		if minetest.get_modpath("pipeworks") then pipeworks.after_place(pos) end

+		if have_pipeworks then pipeworks.after_place(pos) end

 	end,

-	after_dig_node = (pipeworks and pipeworks.after_dig),

+	after_dig_node = (have_pipeworks and pipeworks and pipeworks.after_dig),

 	tube = {

 		insert_object = function(pos, node, stack, direction)

 			local meta = minetest.get_meta(pos)