;;; Mudsync --- Live hackable MUD
-;;; Copyright © 2016 Christopher Allan Webber <cwebber@dustycloud.org>
+;;; Copyright © 2016 Christine Lemmer-Webber <cwebber@dustycloud.org>
;;;
;;; This file is part of Mudsync.
;;;
;;; =====
(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)
(traverse-check #:init-value (const #t)
#:init-keyword #:traverse-check))
-(define* (exit-can-traverse? exit actor
- #:optional (target-actor (actor-id actor)))
- ((slot-ref exit 'traverse-check) exit actor target-actor))
+;; @@: Should we make whos-exiting optional? Would there ever be any
+;; reason?
+(define* (exit-can-traverse? exit room whos-exiting)
+ ((slot-ref exit 'traverse-check) exit room whos-exiting))
-(define* (exit-is-visible? exit actor
- #:optional (target-actor (actor-id actor)))
- ((slot-ref exit 'traverse-check) exit actor target-actor))
+(define* (exit-is-visible? exit room whos-exiting)
+ ((slot-ref exit 'visible-check) exit room whos-exiting))
\f
;;; Rooms
;;; =====
+(define (exit-shorthand name)
+ (lambda (room message)
+ (room-cmd-go room message #:direct-obj name)))
+
;; TODO: Subclass from container?
(define-class <room> (<gameobj>)
;; A list of <exit>
#:allocation #:each-subclass
#:init-thunk
(build-commands
- (("l" "look") ((loose-direct-command cmd-look-at)
- (empty-command cmd-look-room)))
+ (("l" "look") ((empty-command cmd-look-room)))
("go" ((empty-command cmd-go-where)
(loose-direct-command cmd-go)))
(("say" "\"" "'") ((greedy-command cmd-say)))
- (("emote" "/me") ((greedy-command cmd-emote)))))
+ (("emote" "/me") ((greedy-command cmd-emote)))
+ ;; movement aliases
+ (("n" "north") ((empty-command go-north)))
+ (("ne" "northeast") ((empty-command go-northeast)))
+ (("e" "east") ((empty-command go-east)))
+ (("se" "southeast") ((empty-command go-southeast)))
+ (("s" "south") ((empty-command go-south)))
+ (("sw" "southwest") ((empty-command go-southwest)))
+ (("w" "west") ((empty-command go-west)))
+ (("nw" "northwest") ((empty-command go-northwest)))
+ (("u" "up") ((empty-command go-up)))
+ (("d" "down") ((empty-command go-down)))))
+
+ (container-sub-commands
+ #:allocation #:each-subclass
+ #:init-thunk
+ (build-commands
+ (("l" "look") ((loose-direct-command cmd-look-at-from-room)))))
(actions #:allocation #:each-subclass
#:init-thunk
;; in this case the command is the same version as the normal
;; look-room version
(cmd-look-room room-look-room)
- (cmd-look-at room-look-at)
+ (cmd-look-at-from-room room-look-dont-see-it)
(cmd-say room-cmd-say)
- (cmd-emote room-cmd-emote))))
+ (cmd-emote room-cmd-emote)
+ ;; movement aliases
+ (go-north (exit-shorthand "north"))
+ (go-northeast (exit-shorthand "northeast"))
+ (go-east (exit-shorthand "east"))
+ (go-southeast (exit-shorthand "southeast"))
+ (go-south (exit-shorthand "south"))
+ (go-southwest (exit-shorthand "southwest"))
+ (go-west (exit-shorthand "west"))
+ (go-northwest (exit-shorthand "northwest"))
+ (go-up (exit-shorthand "up"))
+ (go-down (exit-shorthand "down")))))
+
+(define common-exit-aliases
+ '(("n" . "north")
+ ("ne" . "northeast")
+ ("e" . "east")
+ ("se" . "southeast")
+ ("s" . "south")
+ ("sw" . "southwest")
+ ("w" . "west")
+ ("nw" . "northwest")
+ ("u" . "up")
+ ("d" . "down")))
+
+(define (dealias-exit-name exit-name)
+ (or (assoc-ref common-exit-aliases exit-name)
+ exit-name))
(define* (room-cmd-go room message #:key direct-obj)
(define exit
(find
(lambda (exit)
- (equal? (exit-name exit) direct-obj))
+ (equal? (exit-name exit) (dealias-exit-name direct-obj)))
(room-exits room)))
(define to-address (if exit
;; Get the exit, but resolve it dynamically
;; in case it's a special
(dyn-ref room (slot-ref exit 'to))
#f))
+ (define player (message-from message))
(define player-name
- (mbody-val (<-wait (message-from message) 'get-name)))
+ (mbody-val (<-wait player 'get-name)))
(cond
(exit
- ;; Set the player's new location
- (<-wait (message-from message) 'set-loc!
- #:loc to-address)
- ;; Tell everyone else the person walked away
- (room-tell-room
- room
- (format #f "~a wanders ~a.\n"
- player-name direct-obj))
- (<- to-address 'announce-entrance
- #:who-entered (message-from message))
- ;; Have the new room update the player to the new location
- (<- to-address 'look-room
- #:to-id (message-from message)))
+ (call-with-values (lambda ()
+ (exit-can-traverse? exit room player))
+ (lambda* (can-traverse? #:optional player-flavortext
+ room-flavortext)
+ (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
- (<- (message-from message) 'tell
+ (<- player 'tell
#:text "You don't see any way to go there.\n"))))
(define (room-cmd-go-where room message)
;; Get the room text
(define room-text
`((strong "=> " ,(slot-ref room 'name) " <=")
- (p ,(slot-ref room 'desc))))
+ (p ,(gameobj-desc room))))
;; Get a list of other things the player would see in the room
(define occupant-names-all
(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)))
+ ;; 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))
(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-look-dont-see-it room message #:key direct-obj)
+ "In general, if we get to this point, we didn't find something to look at."
+ (<- (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)
projects / mudsync.git / blobdiff