;;; =====
(define-class <exit> ()
- (to #:init-keyword #:to)
+ (to #:init-keyword #:to
+ #:init-value #f)
;; Name of the room (@@: Should this be names?)
(name #:getter exit-name
#:init-keyword #:name)
#f))
(define player (message-from message))
(define player-name
- (mbody-val (<-wait player 'get-name)))
+ (<-wait player 'get-name))
(cond
(exit
(call-with-values (lambda ()
(exit-can-traverse? exit room player))
(lambda* (can-traverse? #:optional player-flavortext
room-flavortext)
- (if can-traverse?
- ;; looks like we can go, so let's go!
- (begin
- ;; Set the player's new location
- (<-wait player 'set-loc!
- #:loc to-address)
- (when player-flavortext
- (<-wait player 'tell
- #:text player-flavortext))
- ;; Tell everyone else the person walked away
- (room-tell-room
- room (or room-flavortext
- (format #f "~a wanders ~a.\n"
- player-name direct-obj)))
- (<- to-address 'announce-entrance
- #:who-entered player)
- ;; Have the new room update the player to the new location
- (<- to-address 'look-room
- #:to-id player))
- ;; Otherwise, if we can't go...
- (begin
- (<- player 'tell
- #:text (or player-flavortext
- `("You try to go " ,direct-obj " but something "
- "seems to block you.")))
- (when room-flavortext
- (room-tell-room room room-flavortext
- #:exclude player)))))))
+ (cond
+ ;; The exit itself objects to moving
+ ((not can-traverse?)
+ (<- player 'tell
+ #:text (or player-flavortext
+ `("You try to go " ,direct-obj " but something "
+ "seems to block you.")))
+ (when room-flavortext
+ (room-tell-room room room-flavortext
+ #:exclude player)))
+ ;; to-address points nowhere, or exit not set.
+ ((not exit)
+ (<- player 'tell
+ #:text '((i "Yikes!") " Something weird is going on. "
+ "It seems like this exit leads nowhere, "
+ "in a programming bug kind of way. "
+ "Maybe tell an administrator?")))
+ ;; looks like we can go, so let's go!
+ (else
+ ;; Set the player's new location
+ (<-wait player 'set-loc!
+ #:loc to-address)
+ (when player-flavortext
+ (<-wait player 'tell
+ #:text player-flavortext))
+ ;; Tell everyone else the person walked away
+ (room-tell-room
+ room (or room-flavortext
+ (format #f "~a wanders ~a.\n"
+ player-name direct-obj)))
+ (<- to-address 'announce-entrance
+ #:who-entered player)
+ ;; Have the new room update the player to the new location
+ (<- to-address 'look-room
+ #:to-id player))))))
(else
(<- player 'tell
#:text "You don't see any way to go there.\n"))))
(define occupant-names-all
(map
(lambda (occupant)
- (call-with-message (<-wait occupant 'visible-name
- #:whos-looking player-id)
- (lambda* (_ #:key text)
- text)))
+ (call-with-values
+ (lambda ()
+ (<-wait occupant 'visible-name
+ #:whos-looking player-id))
+ (lambda* (#:key text)
+ text)))
(remove
(lambda (x) (equal? x player-id))
(hash-map->list (lambda (x _) x)
(lambda (return)
(for-each
(lambda (occupant)
- (define goes-by (mbody-val (<-wait occupant 'goes-by)))
+ (define goes-by (<-wait occupant 'goes-by))
(if (ci-member called-this goes-by)
(return occupant)))
(hash-map->list (lambda (key val) key)
(define* (room-cmd-say room message #:key phrase)
"Command: Say something to room participants."
(define player-name
- (mbody-val (<-wait (message-from message) 'get-name)))
+ (<-wait (message-from message) 'get-name))
(define message-to-send
`((b "<" ,player-name ">") " " ,phrase))
(room-tell-room room message-to-send))
(define* (room-cmd-emote room message #:key phrase)
"Command: Say something to room participants."
(define player-name
- (mbody-val (<-wait (message-from message) 'get-name)))
+ (<-wait (message-from message) 'get-name))
(define message-to-send
`((b "* " ,player-name) " " ,phrase))
(room-tell-room room message-to-send))
(define* (room-announce-entrance room message #:key who-entered)
(define player-name
- (mbody-val (<-wait who-entered 'get-name)))
+ (<-wait who-entered 'get-name))
(define message-to-send
(format #f "~a enters the room.\n" player-name))
(room-tell-room room message-to-send