X-Git-Url: https://code.consxy.com/gitweb/gitweb.cgi?p=clnl;a=blobdiff_plain;f=src%2Fmain%2Fnvm%2Fagent.lisp;h=ee1d97136ad72593b48c51fa2db6e1f47babbb04;hp=93da162c7c312a00346be2ae2c28d49947dc6b62;hb=97c390f3cee5094fa6795acd4b25b7598d5dd1bd;hpb=82888b4c12ff462e539e9e7746d5268f9c46f330

diff --git a/src/main/nvm/agent.lisp b/src/main/nvm/agent.lisp
index 93da162..ee1d971 100644
--- a/src/main/nvm/agent.lisp
+++ b/src/main/nvm/agent.lisp
@@ -19,6 +19,38 @@ DESCRIPTION:
   See http://ccl.northwestern.edu/netlogo/docs/dictionary.html for builtins"
  (agent-value-inner agent (intern (string-upcase var) :keyword)))
 
+(defsetf agent-value (var &optional (agent '*self*)) (new-value)
+ `(set-agent-value-inner ,agent ,var ,new-value))
+
+(defgeneric set-agent-value-inner (agent var new-value))
 (defgeneric agent-value-inner (agent var))
 
-(defmethod agent-value-inner ((agent turtle) (var (eql :who))) (turtle-who agent))
+(defmacro defagent-value (type symb &optional accessor)
+ (let
+  ((accessor (or accessor (intern (format nil "~A-~A" type symb))))
+   (agent (gensym))
+   (var (gensym))
+   (new-val (gensym)))
+  `(progn
+    (defmethod agent-value-inner ((,agent ,type) (,var (eql ,symb))) (,accessor ,agent))
+    (defmethod set-agent-value-inner ((,agent ,type) (,var (eql ,symb)) ,new-val) (setf (,accessor ,agent) ,new-val)))))
+
+; Don't want the setter for :who
+(defmethod agent-value-inner ((turtle turtle) (var (eql :who))) (turtle-who turtle))
+
+(defagent-value patch :pcolor patch-color)
+
+(defagent-value turtle :color)
+(defagent-value turtle :label)
+(defagent-value turtle :label-color)
+(defagent-value turtle :size)
+
+(defmethod agent-value-inner ((turtle turtle) var)
+ (when (not (find var *turtles-own-vars*)) (error "~S is not a turtle variable" var))
+ (or (getf (turtle-own-vars turtle) var) 0d0))
+
+(defmethod set-agent-value-inner ((turtle turtle) var new-val)
+ (when (not (find var *turtles-own-vars*)) (error "~S is not a turtle variable" var))
+ (if (getf (turtle-own-vars turtle) var)
+  (setf (getf (turtle-own-vars turtle) var) new-val)
+  (setf (turtle-own-vars turtle) (append (list var new-val) (turtle-own-vars turtle)))))