Small bug fixes and log cleanups.

dialogue.lua

@@ -325,7 +325,7 @@ function npc.dialogue.select_random_dialogues_for_npc(self, phase)
 	for i = 1, number_of_dialogues do
 		local key_id = math.random(1, #keys)
 		result.normal[i] = keys[key_id]
-		minetest.log("Adding dialogue: "..dump(dialogues[keys[key_id]]))
+		npc.log("DEBUG", "Adding dialogue: "..dump(dialogues[keys[key_id]]))
 	end
 
 	-- Add item hints.

relationships.lua

@@ -209,7 +209,7 @@ function npc.relationships.get_dialogues_for_gift_item(item_name, dialogue_type,
 	if phase ~= nil then
 		tags[5] = phase
 	end
-	minetest.log("Searching with tags: "..dump(tags))
+	npc.log("DEBUG","Searching with tags: "..dump(tags))
 
 	return npc.dialogue.search_dialogue_by_tags(tags, true)
 end

utils.lua

@@ -30,12 +30,20 @@ end
 
 function npc.utils.get_map_keys(map)
 	local result = {}
-	for key, value in pairs(map) do
+	for key, _ in pairs(map) do
 		table.insert(result, key)
 	end
 	return result
 end
 
+function npc.utils.get_map_values(map)
+	local result = {}
+	for _, value in pairs(map) do
+		table.insert(result, value)
+	end
+	return result
+end
+
 -- This function searches for a node given the conditions specified in the
 -- query object, starting from the given start_pos and up to a certain, specified
 -- range.