X-Git-Url: https://jxself.org/git/?p=mudsync.git;a=blobdiff_plain;f=mudsync%2Fgameobj.scm;h=3e23ae6ff7b7054e7fe3fe26e614588b724f1b2f;hp=6a5e369cb1c5b0fabac887eeacaad4d06dae777b;hb=d198683d31a3b359e26cc688cc04cebc8ca978c6;hpb=060a48dce227e8c53e007941cc673b494ca36024

diff --git a/mudsync/gameobj.scm b/mudsync/gameobj.scm
index 6a5e369..3e23ae6 100644
--- 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
@@ -40,12 +43,17 @@
 ;;; 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-children (wrap-apply gameobj-get-children))
-   (add-occupant! (wrap-apply gameobj-add-child!))
-   (remove-occupant! (wrap-apply gameobj-remove-child!))
-   (set-loc! (wrap-apply gameobj-set-loc!))))
+   (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-act-goes-by))
+   (visible-name (wrap-apply gameobj-visible-name))))
 
 ;;; *all* game components that talk to players should somehow
 ;;; derive from this class.
@@ -54,20 +62,22 @@
 (define-class <gameobj> (<actor>)
   ;; location id
   (loc #:init-value #f
-       #:accessor gameobj-loc)
+       #:getter gameobj-loc)
   
   ;; Uses a hash table like a set (values ignored)
   (occupants #:init-thunk make-hash-table
-             #:accessor gameobj-occupants)
+             #:getter 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 ""
+  (desc #:init-value #f
         #:init-keyword #:desc)
 
   ;; how to print our name
@@ -75,10 +85,6 @@
           #: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 '())
 
@@ -86,34 +92,132 @@
   (container-commands #:init-value '())
   (message-handler
    #:init-value
-   (simple-dispatcher gameobj-actions)))
+   (simple-dispatcher gameobj-actions))
+
+  ;; Most objects are generally visible by default
+  (generally-visible #:init-value #t)
+  ;; @@: Would be preferable to be using generic methods for this...
+  ;;   Hopefully we can port this to Guile 2.2 soon...
+  (visible-to-player?
+   #:init-value (wrap-apply gameobj-visible-to-player?)))
 
 
 ;;; 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 (gameobj-act-goes-by actor message)
+  "Reply to a message requesting what we go by."
+  (<-reply actor message
+           #:goes-by (gameobj-goes-by actor)))
+
+(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)
-  (<-reply actor message #:commands (slot-ref actor 'commands)))
+  "Get commands a co-occupant of the room might execute for 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)
-  (<-reply actor message #:commands (slot-ref actor 'container-commands)))
-
-(define-mhandler (gameobj-get-children actor message)
-  (define children
+  "Get commands as the container / room of message's sender"
+  (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)
+  "Add an actor to our list of present occupants"
+  (hash-set! (slot-ref actor 'occupants)
+             who #t))
+
+(define-mhandler (gameobj-remove-occupant! actor message who)
+  "Remove an occupant from the room."
+  (hash-remove! (slot-ref actor 'occupants) who))
+
+(define-mhandler (gameobj-get-occupants actor message)
+  "Get all present occupants of the room."
+  (define occupants
     (hash-map->list (lambda (key val) key)
-                    (gameobj-children actor)))
+                    (gameobj-occupants actor)))
 
   (<-reply actor message
-           #:children children))
+           #:occupants occupants))
 
-(define-mhandler (gameobj-set-loc! player message id)
-  (format #t "DEBUG: Location set to ~s for player ~s\n"
-          id (actor-id-actor player))
-  (set! (gameobj-loc player) id))
+;; @@: Should it really be #:id ?  Maybe #:loc-id or #:loc?
+(define-mhandler (gameobj-set-loc! actor message loc)
+  "Set the location of this object."
+  (define old-loc (gameobj-loc actor))
+  (format #t "DEBUG: Location set to ~s for ~s\n"
+          loc (actor-id-actor actor))
 
+  (slot-set! actor 'loc 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))
 
-
+(define (gameobj-visible-to-player? gameobj whos-looking)
+  "Check to see whether we're visible to the player or not.
+By default, this is whether or not the generally-visible flag is set."
+  (slot-ref gameobj 'generally-visible))
+
+(define-mhandler (gameobj-visible-name actor message whos-looking)
+  ;; Are we visible?
+  (define we-are-visible
+    ((slot-ref actor 'visible-to-player?) actor whos-looking))
+
+  (define name-to-return
+    (if we-are-visible
+        ;; Return our name
+        (match (slot-ref actor 'name)
+          ((? procedure? name-proc)
+           (name-proc actor whos-looking))
+          ((? string? name)
+           name)
+          (#f #f))
+        #f))
+  (<-reply actor message #:text name-to-return))