Describing It All
Now we’ll tie all of these description functions into one easy command called look
. Because this will be the actual command players can enter to look around them in the game, look
will need to know a player’s current location. So, we need a variable to track the player’s current position. Let’s call it *location*
:
(defparameter *location* 'living-room)
Because the *location*
value is initialized to the living-room
symbol, which occurs at the very start of the game, players will find themselves in the living room of the wizard’s house. At this point, we can write a look
function to describe everything we need by having it call all of our descriptor functions:
(defun look () (append (describe-location *location* *nodes*) (describe-paths ...
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