Send chat-msg with unlock-count for new recipes

init.lua

@@ -510,7 +510,9 @@ function update_known_items(player, item_name)
 		end
 
 		-- Mark items craftable with this (and other) items as known.
+		local new_recipes = 0
 		for _,out_item_name in pairs(known_crafting_outputs(data, item_name)) do
+			new_recipes = new_recipes + 1
 			data.known_items[out_item_name] = true
 		end
 
@@ -518,7 +520,11 @@ function update_known_items(player, item_name)
 		data.items = visible_items(data)
 
 		-- Notify the player.
-		minetest.chat_send_player(name, S("New recipes unlocked!"))
+		if new_recipes == 1 then
+			minetest.chat_send_player(name, S("New recipe unlocked!"))
+		elseif new_recipes > 1 then
+			minetest.chat_send_player(name, S("@1 new recipes unlocked!", new_recipes))
+		end
 	end
 end
 

locale/template.txt

@@ -51,3 +51,5 @@ Click again to show recipes.=
 No recipes.=
 Click again to show usages.=
 Recipes=
+New recipe unlocked!=
+@1 new recipes unlocked!=