X-Git-Url: https://jxself.org/git/?p=mudsync.git;a=blobdiff_plain;f=mudsync%2Fgameobj.scm;h=c34e89bb5540a90308686c64ec7e3fc6caf58b98;hp=9651140ec12d4f4f72e308a59f18ff50458d2e9d;hb=43b6ac4e8ceff7aad909294b1b00ebdd6a38ec15;hpb=d13325f5f6eba20c808636948432dcdff4e138f6

diff --git a/mudsync/gameobj.scm b/mudsync/gameobj.scm
index 9651140..c34e89b 100644
--- a/mudsync/gameobj.scm
+++ b/mudsync/gameobj.scm
@@ -20,17 +20,42 @@
 ;;; ==========
 
 (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
 
             gameobj-loc
             gameobj-gm
-            gameobj-name
-            gameobj-name-f))
 
+            gameobj-occupants
+            gameobj-actions
+            gameobj-self-destruct))
+
+;;; 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-act-set-loc!))
+   (get-name (wrap-apply gameobj-get-name))
+   (set-name! (wrap-apply gameobj-act-set-name!))
+   (get-desc (wrap-apply gameobj-get-desc))
+   (goes-by (wrap-apply gameobj-act-goes-by))
+   (visible-name (wrap-apply gameobj-visible-name))
+   (self-destruct (wrap-apply gameobj-act-self-destruct))
+   (tell (wrap-apply gameobj-tell-no-op))))
 
 ;;; *all* game components that talk to players should somehow
 ;;; derive from this class.
@@ -39,33 +64,202 @@
 (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)
+
   ;; 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)
 
-  ;; 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 '())
+  (desc #:init-value #f
+        #:init-keyword #:desc)
 
   ;; Commands we can handle
-  (dirobj-commands #:init-value '())
-  (indirobj-commands #:init-value '())
+  (commands #:init-value '())
 
   ;; Commands we can handle by being something's container
-  (contain-commands #:init-value #f))
+  (container-commands #:init-value '())
+  (message-handler
+   #:init-value
+   (simple-dispatcher gameobj-actions))
+
+  ;; Most objects are generally visible by default
+  (generally-visible #:init-value #t
+                     #:init-keyword #:generally-visible)
+  ;; @@: 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)
+  "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)
+  "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* (gameobj-occupants gameobj #:key exclude)
+  (hash-fold
+   (lambda (occupant _ prev)
+     (define exclude-it?
+       (match exclude
+         ;; Empty list and #f are non-exclusion
+         (() #f)
+         (#f #f)
+         ;; A list of addresses... since our address object is (annoyingly)
+         ;; currently a simple cons cell...
+         ((exclude-1 ... exclude-rest)
+          (pk 'failboat (member occupant (pk 'exclude-lst exclude))))
+         ;; Must be an individual address!
+         (_ (equal? occupant exclude))))
+     (if exclude-it?
+         prev
+         (cons occupant prev)))
+   '()
+   (slot-ref gameobj 'occupants)))
+
+(define-mhandler (gameobj-get-occupants actor message)
+  "Get all present occupants of the room."
+  (define exclude (message-ref message 'exclude #f))
+  (define occupants
+    (gameobj-occupants actor #:exclude exclude))
+
+  (<-reply actor message
+           #:occupants occupants))
+
+(define (gameobj-set-loc! gameobj loc)
+  "Set the location of this object."
+  (define old-loc (gameobj-loc gameobj))
+  (format #t "DEBUG: Location set to ~s for ~s\n"
+          loc (actor-id-actor gameobj))
+
+  (slot-set! gameobj 'loc loc)
+  ;; Change registation of where we currently are
+  (if loc
+      (<-wait gameobj loc 'add-occupant! #:who (actor-id gameobj)))
+  (if old-loc
+      (<-wait gameobj old-loc 'remove-occupant! #:who (actor-id gameobj))))
+
+;; @@: Should it really be #:id ?  Maybe #:loc-id or #:loc?
+(define-mhandler (gameobj-act-set-loc! actor message loc)
+  "Action routine to set the location."
+  (gameobj-set-loc! actor loc))
+
+(define gameobj-get-name (simple-slot-getter 'name))
+
+(define-mhandler (gameobj-act-set-name! actor message val)
+  (slot-set! actor 'name val))
+
+(define-mhandler (gameobj-get-desc actor message whos-looking)
+  (define desc-text
+    (match (slot-ref actor 'desc)
+      ((? procedure? desc-proc)
+       (desc-proc actor whos-looking))
+      (desc desc)))
+  (<-reply actor message #:val desc-text))
+
+(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))
 
-(define (gameobj-simple-name-f gameobj)
-  "Simplest version: return ourselves for our name."
-  (gameobj-name gameobj))
+(define (gameobj-self-destruct gameobj)
+  "General gameobj self destruction routine"
+  ;; Unregister from being in any particular room
+  (gameobj-set-loc! gameobj #f)
+  ;; Boom!
+  (self-destruct gameobj))
 
+(define-mhandler (gameobj-act-self-destruct gameobj message)
+  "Action routine for self destruction"
+  (gameobj-self-destruct gameobj))
 
+;; Unless an actor has a tell message, we just ignore it
+(define gameobj-tell-no-op
+  (const 'no-op))