See objects in the same room as you

[mudsync.git] / mudsync / room.scm

diff --git a/mudsync/room.scm b/mudsync/room.scm
index ddf74301056ebae2fa6aeaeb114d8a506f2e3840..efc2a380e9b2ea13436c1207cd51737b7cdd6ace 100644 (file)
--- a/mudsync/room.scm
+++ b/mudsync/room.scm
@@ -69,8 +69,27 @@
   (list
    (loose-direct-command "look" 'cmd-look-at)
    (empty-command "look" 'cmd-look-room)
+   (empty-command "go" 'cmd-go-where)
    (loose-direct-command "go" 'cmd-go)))
 
+(define room-actions
+  (build-actions
+   ;; desc == description
+   (init (wrap-apply room-init))
+   (wire-exits! (wrap-apply room-wire-exits!))
+   (cmd-go (wrap-apply room-cmd-go))
+   (cmd-go-where (wrap-apply room-cmd-go-where))
+   (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))))
+
+(define room-actions*
+  (append room-actions gameobj-actions))
+
+(define room-action-dispatch
+  (simple-dispatcher room-actions*))
+
 ;; TODO: Subclass from container?
 (define-class <room> (<gameobj>)
   ;; A list of <exit>
@@ -79,36 +98,24 @@
          #:getter room-exits)
 
   (container-commands
-   #:init-value %room-contain-commands)
+   #:init-value (wrap %room-contain-commands))
 
   (message-handler
    #:allocation #:each-subclass
    ;; @@: Can remove this indirection once things settle
    #:init-value (wrap-apply room-action-dispatch)))
 
+(define (room-init room message)
+  (room-wire-exits! room))
 
-(define room-actions
-  (build-actions
-   ;; desc == description
-   (wire-exits! (wrap-apply room-wire-exits!))
-   (cmd-go (wrap-apply room-cmd-go))
-   (cmd-look-room (wrap-apply room-cmd-look-room))))
-
-(define room-actions*
-  (append room-actions gameobj-actions))
-
-(define room-action-dispatch
-  (simple-dispatcher room-actions*))
-
-
-(define (room-wire-exits! room message)
+(define (room-wire-exits! room)
   "Actually hook up the rooms' exit addresses to the rooms they
 claim to point to."
   (for-each
    (lambda (exit)
      (define new-exit
        (message-ref
-        (<-wait room (gameobj-gm room) 'lookup-room
+        (<-wait room (gameobj-gm room) 'lookup-special
                 #:symbol (slot-ref exit 'to-symbol))
         'room-id))
 
@@ -124,12 +131,85 @@ claim to point to."
      (room-exits room)))
   (cond
    (exit
+    ;; Set the player's new location
     (<-wait room (message-from message) 'set-loc!
             #:loc (slot-ref exit 'to-address))
-    (<- room (message-from message) 'look-room))
+    ;; Have the new room update the player to the new location
+    (<- room (slot-ref exit 'to-address) 'look-room
+        #:to-id (message-from message)))
    (else
     (<- room (message-from message) 'tell
-        #:text "I don't know where that is?\n"))))
-
-(define-mhandler (room-cmd-look-room room message)
-  (<- room (message-from message) 'look-room))
+        #:text "You don't see any way to go there.\n"))))
+
+(define-mhandler (room-cmd-go-where room message)
+  (<- room (message-from message) 'tell
+      #:text "Go where?\n"))
+
+;;; 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 final-text))
+
+
+(define-mhandler (room-look-room room message)
+  "Command: Player asks to look around the room"
+  (room-player-looks-around
+   room
+   ;; Either send it to the #:to-id of the message, or to the
+   ;; sender of the message
+   (message-ref message 'to-id
+                (message-from message))))