Some minor fixing

resources/start_uni_interior.lua

@@ -35,6 +35,15 @@ game_api.set_trigger_zone_callbacks("knife_dialog_zone001",
 )
 
 
+function on_knife_pickup()
+game_api.pickup_item("knife")
+end
+
+
+function on_book_pickup()
+game_api.pickup_item("book")
+end
+
 function on_npc_interact(npc_index)
     print("[Lua] NPC interaction! Index: " .. tostring(npc_index))
 	if npc_index == 1 then