gameobj-loc
gameobj-gm
+ gameobj-set-loc!
gameobj-occupants
gameobj-actions
gameobj-self-destruct
+ slot-ref-maybe-runcheck
+ val-or-run
+
dyn-ref))
;;; Gameobj
(define gameobj-actions
(build-actions
(init (wrap-apply gameobj-init))
+ ;; Commands for co-occupants
(get-commands (wrap-apply gameobj-get-commands))
+ ;; Commands for participants in a room
(get-container-commands (wrap-apply gameobj-get-container-commands))
+ ;; Commands for inventory items, etc (occupants of the gameobj commanding)
+ (get-contained-commands (wrap-apply gameobj-get-contained-commands))
(get-occupants (wrap-apply gameobj-get-occupants))
(add-occupant! (wrap-apply gameobj-add-occupant!))
(remove-occupant! (wrap-apply gameobj-remove-occupant!))
+ (get-loc (wrap-apply gameobj-act-get-loc))
(set-loc! (wrap-apply gameobj-act-set-loc!))
(get-name (wrap-apply gameobj-get-name))
(set-name! (wrap-apply gameobj-act-set-name!))
;; Commands we can handle by being something's container
(container-commands #:init-value '())
+
+ ;; Commands we can handle by being contained by something else
+ (contained-commands #:init-value '())
+
(message-handler
#:init-value
(simple-dispatcher gameobj-actions))
(reply-message actor message
#:val (slot-ref actor slot))))
-
(define (gameobj-replace-step-occupants actor replace-reply)
(define occupants
(message-ref replace-reply 'occupants #f))
verb))
(<-reply actor message #:commands filtered-commands))
+(define-mhandler (gameobj-get-contained-commands actor message verb)
+ "Get commands as being contained (eg inventory) of commanding gameobj"
+ (define filtered-commands
+ (filter-commands (val-or-run (slot-ref actor 'contained-commands))
+ verb))
+ (<-reply actor message
+ #:commands filtered-commands
+ #:goes-by (gameobj-goes-by actor)))
+
(define-mhandler (gameobj-add-occupant! actor message who)
"Add an actor to our list of present occupants"
(hash-set! (slot-ref actor 'occupants)
(<-reply actor message
#:occupants occupants))
+(define-mhandler (gameobj-act-get-loc actor message)
+ (<-reply actor message
+ #:val (slot-ref actor 'loc)))
+
(define (gameobj-set-loc! gameobj loc)
"Set the location of this object."
(define old-loc (gameobj-loc gameobj))
"Action routine to set the location."
(gameobj-set-loc! actor loc))
+(define (slot-ref-maybe-runcheck gameobj slot whos-asking)
+ "Do a slot-ref on gameobj, evaluating it including ourselves
+and whos-asking, and see if we should just return it or run it."
+ (match (slot-ref gameobj slot)
+ ((? procedure? slot-val-proc)
+ (slot-val-proc gameobj whos-asking))
+ (anything-else anything-else)))
+
(define gameobj-get-name (simple-slot-getter 'name))
(define-mhandler (gameobj-act-set-name! actor message val)