+;;; look commands
+
+(define (room-player-looks-around room player-id)
+ "Handle looking around the room"
+ ;; Get the room text
+ (define room-text
+ `((strong "=> " ,(slot-ref room 'name) " <=")
+ (p ,(slot-ref room 'desc))))
+
+ ;; Get a list of other things the player would see in the room
+ (define occupant-names-all
+ (map
+ (lambda (occupant)
+ (call-with-message (<-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)
+ (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"
+ (string-join occupant-names-filtered
+ ", "))))
+
+ (define final-text
+ (if occupant-names-string
+ `(,@room-text
+ (p (em ,occupant-names-string)))
+ room-text))
+
+ (<- player-id 'tell
+ #:text final-text))
+
+
+(define* (room-look-room room message
+ ;; Either send it to the #:to-id of the message,
+ ;; or to the sender of the message
+ #:key (to-id (message-from message)))
+ "Command: Player asks to look around the room"
+ (room-player-looks-around room to-id))
+
+(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 (mbody-val (<-wait occupant 'goes-by)))
+ (if (ci-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.")
+
+(define* (room-look-at room message #:key 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
+ (mbody-val (<-wait matching-object 'get-desc
+ #:whos-looking (message-from message)))))
+ (if obj-desc
+ (<- (message-from message) 'tell #:text obj-desc)
+ (<- (message-from message) 'tell #:text %formless-desc))))
+ (else
+ (<- (message-from message) 'tell
+ #:text "You don't see that here, so you can't look at it.\n"))))
+
+
+(define* (room-tell-room room text #:key exclude wait)
+ (define who-to-tell (gameobj-occupants room #:exclude exclude))
+ (for-each
+ (lambda (tell-me)
+ ;; @@: Does anything really care?
+ (define deliver-method
+ (if wait
+ <-wait
+ <-))
+ (deliver-method tell-me 'tell
+ #:text text))
+ who-to-tell))
+
+(define* (room-act-tell-room room message #:key text exclude wait)
+ "Tell the room some messages."
+ (room-tell-room room text
+ #:exclude exclude
+ #:wait wait))
+
+(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)))
+ (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)))
+ (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)))
+ (define message-to-send
+ (format #f "~a enters the room.\n" player-name))
+ (room-tell-room room message-to-send
+ #:exclude who-entered))