Last time up we created the very basics of a text adventure where we could look at rooms in the world, and had a way to provide other commands like movement or picking stuff up. So what can we do to let the world react to the user's actions, and create puzzles and atmosphere for a game? Step forward behaviours...
The world model from the previous post is all well and good, but the player needs to be able to interact with it. What do we need to add to allow that? Well we need an abstraction for the things the game is going to allow the player to do.