Can FINALLY interact with objects! Woohoo!

[mudsync.git] / mudsync / gameobj.scm

diff --git a/mudsync/gameobj.scm b/mudsync/gameobj.scm
index 2c3970613d0867ae298fc817cafbfc44d83ba861..bb4c8520628ba0a0b4dcb56f9babfb86564b9a64 100644 (file)
--- a/mudsync/gameobj.scm
+++ b/mudsync/gameobj.scm
@@ -20,8 +20,11 @@
 ;;; ==========
 
 (define-module (mudsync gameobj)
+  #:use-module (mudsync command)
   #:use-module (8sync systems actors)
   #:use-module (8sync agenda)
+  #:use-module (srfi srfi-1)
+  #:use-module (ice-9 match)
   #:use-module (oop goops)
   #:export (<gameobj>
             gameobj-simple-name-f
@@ -29,8 +32,27 @@
             gameobj-loc
             gameobj-gm
             gameobj-name
-            gameobj-name-f))
+            gameobj-name-f
 
+            gameobj-actions))
+
+;;; Gameobj
+;;; =======
+
+
+;;; Actions supported by all gameobj
+(define gameobj-actions
+  (build-actions
+   (init (wrap-apply gameobj-init))
+   (get-commands (wrap-apply gameobj-get-commands))
+   (get-container-commands (wrap-apply gameobj-get-container-commands))
+   (get-occupants (wrap-apply gameobj-get-occupants))
+   (add-occupant! (wrap-apply gameobj-add-occupant!))
+   (remove-occupant! (wrap-apply gameobj-remove-occupant!))
+   (set-loc! (wrap-apply gameobj-set-loc!))
+   (get-name (wrap-apply gameobj-get-name))
+   (get-desc (wrap-apply gameobj-get-desc))
+   (goes-by (wrap-apply gameobj-goes-by))))
 
 ;;; *all* game components that talk to players should somehow
 ;;; derive from this class.
@@ -40,31 +62,121 @@
   ;; location id
   (loc #:init-value #f
        #:accessor gameobj-loc)
+  
+  ;; Uses a hash table like a set (values ignored)
+  (occupants #:init-thunk make-hash-table
+             #:accessor gameobj-occupants)
+
   ;; game master id
   (gm #:init-keyword #:gm
       #:getter gameobj-gm)
   ;; a name to be known by
   (name #:init-keyword #:name
-        #:accessor gameobj-name)
+        #:init-value #f)
+  (goes-by #:init-keyword #:goes-by
+           #:init-value #f)
+
+  (desc #:init-value ""
+        #:init-keyword #:desc)
 
   ;; how to print our name
   (name-f #:init-keyword #:name-f
           #:getter gameobj-name-f
           #:init-value (wrap gameobj-simple-name-f))
 
-  ;; Name aliases
-  (aliases #:init-keyword #:aliases
-           #:init-value '())
-
   ;; Commands we can handle
   (commands #:init-value '())
 
   ;; Commands we can handle by being something's container
-  (contain-commands #:init-value '()))
+  (container-commands #:init-value '())
+  (message-handler
+   #:init-value
+   (simple-dispatcher gameobj-actions)))
+
+
+;;; gameobj message handlers
+;;; ========================
+
+;; Kind of a useful utility, maybe?
+(define (simple-slot-getter slot)
+  (lambda (actor message)
+    (reply-message actor message
+                   #:val (slot-ref actor slot))))
+
+
+;; @@: This could be kind of a messy way of doing gameobj-init
+;;   stuff.  If only we had generic methods :(
+(define-mhandler (gameobj-init actor message)
+  "Your most basic game object init procedure.  Does nothing."
+  #f)
+
+(define (gameobj-goes-by gameobj)
+  "Find the name we go by.  Defaults to #:name if nothing else provided."
+  (cond ((slot-ref gameobj 'goes-by) =>
+         identity)
+        ((slot-ref gameobj 'name) =>
+         (lambda (name)
+           (list name)))
+        (else '())))
 
+(define (val-or-run val-or-proc)
+  "Evaluate if a procedure, or just return otherwise"
+  (if (procedure? val-or-proc)
+      (val-or-proc)
+      val-or-proc))
+
+(define (filter-commands commands verb)
+  (filter
+   (lambda (cmd)
+     (equal? (command-verbs cmd)
+             verb))
+   commands))
+
+(define-mhandler (gameobj-get-commands actor message verb)
+  (define filtered-commands
+    (filter-commands (val-or-run (slot-ref actor 'commands))
+                     verb))
+  (<-reply actor message
+           #:commands filtered-commands
+           #:goes-by (gameobj-goes-by actor)))
+
+(define-mhandler (gameobj-get-container-commands actor message verb)
+  (define filtered-commands
+    (filter-commands (val-or-run (slot-ref actor 'container-commands))
+                     verb))
+  (<-reply actor message #:commands filtered-commands))
+
+(define-mhandler (gameobj-add-occupant! actor message who)
+  (hash-set! (slot-ref actor 'occupants)
+             who #t))
+
+(define-mhandler (gameobj-remove-occupant! actor message who)
+  (hash-remove! (slot-ref actor 'occupants) who))
+
+(define-mhandler (gameobj-get-occupants actor message)
+  (define occupants
+    (hash-map->list (lambda (key val) key)
+                    (gameobj-occupants actor)))
+
+  (<-reply actor message
+           #:occupants occupants))
+
+;; @@: Should it really be #:id ?  Maybe #:loc-id or #:loc?
+(define-mhandler (gameobj-set-loc! actor message loc)
+  (define old-loc (gameobj-loc actor))
+  (format #t "DEBUG: Location set to ~s for ~s\n"
+          loc (actor-id-actor actor))
+
+  (set! (gameobj-loc actor) loc)
+  ;; Change registation of where we currently are
+  (if loc
+      (<-wait actor loc 'add-occupant! #:who (actor-id actor)))
+  (if old-loc
+      (<-wait actor old-loc 'remove-occupant! #:who (actor-id actor))))
+
+(define gameobj-get-name (simple-slot-getter 'name))
+(define gameobj-get-desc (simple-slot-getter 'desc))
 
 (define (gameobj-simple-name-f gameobj)
   "Simplest version: return ourselves for our name."
   (gameobj-name gameobj))
-
-