be robust for revealed unknown items

2019-01-15 07:41:21 +01:00 · 2019-01-15 07:41:21 +01:00 · 9e6346d67f
commit 9e6346d67f
parent 4979289ea6
1 changed files with 2 additions and 2 deletions
--- a/init.lua
+++ b/init.lua
@ -17,8 +17,8 @@ local function revealed_show_recipe(recipe, playername)
 		if item:sub(1,6) == "group:" then
 			local groups = item:sub(7):split(",")
 			for cid, items in pairs(revealed) do
-				for item in pairs(items) do
-					if item_has_groups(reg_items[item].groups, groups) then
+				for revealed_item in pairs(items) do
+					if reg_items[revealed_item] and item_has_groups(reg_items[revealed_item].groups, groups) then
 						is_revealed_item = true
 					end
 				end