Attempt to fix #11

1 files changed, 20 insertions, 25 deletions

diff --git a/init.lua b/init.lua
index d4f8607..4777e7f 100644
--- a/init.lua
+++ b/init.lua
@@ -335,35 +335,30 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 			data.pagenum = data.pagemax
 		end
 		craftguide:get_formspec(player_name)
-	else
-		for item in pairs(fields) do
-			if not item:find(":") then break end
-			if item:sub(-4) == "_inv" then
-				item = item:sub(1,-5)
-			end
+	elseif next(fields):find(":") then
+		local item = next(fields)
+		if item:sub(-4) == "_inv" then
+			item = item:sub(1,-5)
+		end
 
-			local recipes = minetest.get_all_craft_recipes(item)
-			local is_fuel = minetest.get_craft_result({
-				method="fuel", width=1, items={item}}).time > 0
-			if not recipes and not is_fuel then return end
+		local recipes = minetest.get_all_craft_recipes(item)
+		local is_fuel = minetest.get_craft_result({
+			method="fuel", width=1, items={item}}).time > 0
+		if not recipes and not is_fuel then return end
 
-			if progressive_mode then
-				local who =
-					minetest.get_player_by_name(player_name)
-				local inv = who:get_inventory()
-				local _, has_item =
-					craftguide:recipe_in_inv(inv, item)
-
-				if not has_item then return end
-				recipes = craftguide:recipe_in_inv(
-							inv, item, recipes)
-			end
+		if progressive_mode then
+			local who = minetest.get_player_by_name(player_name)
+			local inv = who:get_inventory()
+			local _, has_item = craftguide:recipe_in_inv(inv, item)
 
-			data.item = item
-			data.recipe_num = 1
-			data.recipes_item = recipes
-			craftguide:get_formspec(player_name, is_fuel)
+			if not has_item then return end
+			recipes = craftguide:recipe_in_inv(inv, item, recipes)
 		end
+
+		data.item = item
+		data.recipe_num = 1
+		data.recipes_item = recipes
+		craftguide:get_formspec(player_name, is_fuel)
 	end
 end)