#:use-module (8sync agenda)
#:use-module (oop goops)
#:use-module (srfi srfi-1)
+ #:use-module (ice-9 control)
#:export (<room>
room-actions
room-actions*
(look-room (wrap-apply room-look-room))
;; in this case the command is the same version as the normal
;; look-room version
- (cmd-look-room (wrap-apply room-look-room))))
+ (cmd-look-room (wrap-apply room-look-room))
+ (cmd-look-at (wrap-apply room-look-at))))
(define room-actions*
(append room-actions gameobj-actions))
;;; look commands
+(define (list-words-as-string words)
+ "A little utility for listing a bunch of words in an English-style list"
+ ;; TODO: This could be made faster by traversing the O(n)
+ ;; list once, not twice
+ (let ((word-length (length words)))
+ (cond
+ ((eqv? word-length 0) "")
+ ((eqv? word-length 1) (car words))
+ (else
+ ;; TODO: and this is NOT efficient
+ (string-append
+ (string-join
+ (drop-right words 1)
+ ", ")
+ " and "
+ (last words))))))
+
(define (room-player-looks-around room player-id)
"Handle looking around the room"
+ ;; Get the room text
(define room-text
(format #f "**~a**\n~a\n"
(slot-ref room 'name)
(slot-ref room 'desc)))
+
+ ;; Get a list of other things the player would see in the room
+ (define occupant-names-all
+ (map
+ (lambda (occupant)
+ (message-ref
+ (<-wait room occupant 'visible-name
+ #:whos-looking player-id)
+ 'text))
+ (remove
+ (lambda (x) (equal? x player-id))
+ (hash-map->list (lambda (x _) x)
+ (slot-ref room 'occupants)))))
+
+ ;; Strip out the #f responses (these aren't listed because they lack a name
+ ;; or they aren't "obviously visible" to the player)
+ (define occupant-names-filtered
+ (filter identity occupant-names-all))
+
+ (define occupant-names-string
+ (if (eq? occupant-names-filtered '())
+ #f
+ (format #f "You see here: ~a.\n"
+ (list-words-as-string occupant-names-filtered))))
+
+ (define final-text
+ (if occupant-names-string
+ (string-append room-text occupant-names-string)
+ room-text))
+
(<- room player-id 'tell
- #:text room-text))
+ #:text final-text))
+
(define-mhandler (room-look-room room message)
"Command: Player asks to look around the room"
;; sender of the message
(message-ref message 'to-id
(message-from message))))
+
+(define (room-find-thing-called room called-this)
+ "Find something called CALLED-THIS in the room, if any."
+ (call/ec
+ (lambda (return)
+ (for-each
+ (lambda (occupant)
+ (define goes-by
+ (message-ref (<-wait room occupant 'goes-by)
+ 'goes-by #f))
+ (display "here!\n")
+ (if (member called-this goes-by)
+ (return occupant)))
+ (hash-map->list (lambda (key val) key)
+ (slot-ref room 'occupants)))
+ #f)))
+
+(define %formless-desc
+ "You don't see anything special about it.")
+
+(define-mhandler (room-look-at room message direct-obj)
+ "Look at a specific object in the room."
+ (define matching-object
+ (room-find-thing-called room direct-obj))
+
+ (cond
+ (matching-object
+ (let ((obj-desc
+ (message-ref
+ (<-wait room matching-object 'get-desc)
+ 'val)))
+ (if obj-desc
+ (<- room (message-from message) 'tell
+ #:text (string-append obj-desc "\n"))
+ (<- room (message-from message) 'tell
+ #:text (string-append %formless-desc "\n")))))
+ (else
+ (<- room (message-from message) 'tell
+ #:text "You don't see that here, so you can't look at it.\n"))))