X-Git-Url: https://jxself.org/git/?p=mudsync.git;a=blobdiff_plain;f=mudsync%2Fgameobj.scm;h=b686e3cbd74a4d2d41825f0f5f5777290b8357f4;hp=a418cf0c1566b38622dd61d74264f389605c5458;hb=7e11c67b59dc07a46576b2acaa4657ee533df7d5;hpb=7525c62ccdf9e3480214831fb14d9a2d30ab139d

diff --git a/mudsync/gameobj.scm b/mudsync/gameobj.scm
index a418cf0..b686e3c 100644
--- a/mudsync/gameobj.scm
+++ b/mudsync/gameobj.scm
@@ -27,14 +27,19 @@
   #: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-actions))
+            gameobj-set-loc!
+            gameobj-occupants
+            gameobj-actions
+            gameobj-self-destruct
+
+            slot-ref-maybe-runcheck
+            val-or-run
+
+            dyn-ref))
 
 ;;; Gameobj
 ;;; =======
@@ -44,14 +49,25 @@
 (define gameobj-actions
   (build-actions
    (init (wrap-apply gameobj-init))
+   ;; Commands for co-occupants
    (get-commands (wrap-apply gameobj-get-commands))
+   ;; Commands for participants in a room
    (get-container-commands (wrap-apply gameobj-get-container-commands))
+   ;; Commands for inventory items, etc (occupants of the gameobj commanding)
+   (get-contained-commands (wrap-apply gameobj-get-contained-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-loc (wrap-apply gameobj-act-get-loc))
+   (set-loc! (wrap-apply gameobj-act-set-loc!))
    (get-name (wrap-apply gameobj-get-name))
-   (get-desc (wrap-apply gameobj-get-desc))))
+   (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))
+   (assist-replace (wrap-apply gameobj-act-assist-replace))))
 
 ;;; *all* game components that talk to players should somehow
 ;;; derive from this class.
@@ -60,39 +76,43 @@
 (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)
+  (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)
 
-  (desc #:init-value ""
+  (desc #:init-value #f
         #: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
   (container-commands #:init-value '())
+
+  ;; Commands we can handle by being contained by something else
+  (contained-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
+                     #: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
@@ -104,12 +124,51 @@
     (reply-message actor message
                    #:val (slot-ref actor slot))))
 
+(define (gameobj-replace-step-occupants actor replace-reply)
+  (define occupants
+    (message-ref replace-reply 'occupants #f))
+  ;; Snarf all the occupants!
+  (display "replacing occupant\n")
+  (when occupants
+    (for-each
+     (lambda (occupant)
+       (<-wait actor occupant 'set-loc!
+               #:loc (actor-id actor)))
+     occupants)))
+
+(define gameobj-replace-steps*
+  (list gameobj-replace-step-occupants))
+
+(define (run-replacement actor message replace-steps)
+  (define replaces (message-ref message 'replace #f))
+  (when replaces
+    (let ((replace-reply
+           (<-wait actor replaces 'assist-replace)))
+      (for-each
+       (lambda (replace-step)
+         (replace-step actor replace-reply))
+       replace-steps))))
 
 ;; @@: 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)
+  "Your most basic game object init procedure.
+Assists in its replacement of occupants if necessary and nothing else."
+  (run-replacement actor message gameobj-replace-steps*))
+
+(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"
@@ -125,50 +184,179 @@
    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))
+  (<-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-get-contained-commands actor message verb)
+  "Get commands as being contained (eg inventory) of commanding gameobj"
+  (define filtered-commands
+    (filter-commands (val-or-run (slot-ref actor 'contained-commands))
+                     verb))
+  (<-reply actor message
+           #:commands filtered-commands
+           #:goes-by (gameobj-goes-by actor)))
+
 (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
-    (hash-map->list (lambda (key val) key)
-                    (gameobj-occupants actor)))
+    (gameobj-occupants actor #:exclude exclude))
 
   (<-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))
+(define-mhandler (gameobj-act-get-loc actor message)
+  (<-reply actor message
+           #:val (slot-ref actor 'loc)))
+
+(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 actor))
+          loc (actor-id-actor gameobj))
 
-  (set! (gameobj-loc actor) loc)
+  (slot-set! gameobj 'loc loc)
   ;; Change registation of where we currently are
   (if loc
-      (<-wait actor loc 'add-occupant! #:who (actor-id actor)))
+      (<-wait gameobj loc 'add-occupant! #:who (actor-id gameobj)))
   (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))
+      (<-wait gameobj old-loc 'remove-occupant! #:who (actor-id gameobj))))
 
-(define (gameobj-simple-name-f gameobj)
-  "Simplest version: return ourselves for our name."
-  (gameobj-name 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 (slot-ref-maybe-runcheck gameobj slot whos-asking)
+  "Do a slot-ref on gameobj, evaluating it including ourselves
+and whos-asking, and see if we should just return it or run it."
+  (match (slot-ref gameobj slot)
+    ((? procedure? slot-val-proc)
+     (slot-val-proc gameobj whos-asking))
+    (anything-else anything-else)))
 
+(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-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))
+
+(define (gameobj-replace-data-occupants actor)
+  "The general purpose list of replacement data"
+  (list #:occupants (hash-map->list (lambda (occupant _) occupant)
+                                    (slot-ref actor 'occupants))))
+
+(define (gameobj-replace-data* actor)
+  ;; For now, just call gameobj-replace-data-occupants.
+  ;; But there may be more in the future!
+  (gameobj-replace-data-occupants actor))
+
+;; So sad that objects must assist in their replacement ;_;
+;; But that's life in a live hacked game!
+(define (gameobj-act-assist-replace actor message)
+  "Vanilla method for assisting in self-replacement for live hacking"
+  (apply <-reply actor message
+         (gameobj-replace-data* actor)))
+
+
+;;; Utilities every gameobj has
+;;; ---------------------------
+
+(define (dyn-ref gameobj special-symbol)
+  "Dynamically look up a special object from the gm"
+  (match special-symbol
+    ;; if it's a symbol, look it up dynamically
+    ((? symbol? _)
+     (message-ref
+      (<-wait gameobj (slot-ref gameobj 'gm) 'lookup-special
+              #:symbol special-symbol)
+      'val))
+    ;; if it's false, return nothing
+    ((#f #f))
+    ;; otherwise it's probably an address, return it as-is
+    (_ special-symbol)))