X-Git-Url: https://code.consxy.com/gitweb/gitweb.cgi?a=blobdiff_plain;f=src%2Fmain%2Fnvm%2Fnvm.lisp;h=f59e18138a0bd1d1d0b874f7284ab058c85a8c21;hb=c11c429d212f7a08391cc117b9facd938cd80e63;hp=f2057bd7605540eb65e94917d580dbadd8e91377;hpb=9413d3737ae1c07d7ec2cad29ef3a6d50ab859a9;p=clnl

diff --git a/src/main/nvm/nvm.lisp b/src/main/nvm/nvm.lisp
index f2057bd..f59e181 100644
--- a/src/main/nvm/nvm.lisp
+++ b/src/main/nvm/nvm.lisp
@@ -55,7 +55,7 @@ DESCRIPTION:
    *turtles*
    (list
     (make-turtle
-     :who *current-id*
+     :who (coerce *current-id* 'double-float)
      :color (coerce (+ 5 (* 10 (clnl-random:next-int 14))) 'double-float)
      :heading (coerce (clnl-random:next-int 360) 'double-float)
      :xcor 0d0
@@ -85,6 +85,23 @@ DESCRIPTION:
  (setf (turtle-who *self*) -1)
  (setf *turtles* (remove *self* *turtles*)))
 
+(defun patches ()
+ "PATCHES => ALL-PATCHES
+
+ARGUMENTS AND VALUES:
+
+  ALL-PATCHES: a NetLogo agentset, all patches
+
+DESCRIPTION:
+
+  Reports the agentset consisting of all the patches.
+
+  This agentset is special in that it represents the living patches
+  each time it's used, so changes depending on the state of the engine.
+
+  See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#patches"
+ *patches*)
+
 (defun turtles ()
  "TURTLES => ALL-TURTLES
 
@@ -121,15 +138,41 @@ DESCRIPTION:
 
   See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#ask"
  (let
-  ((iter (shufflerator agent-set)))
+  ((iter (shufflerator (agent-set-list agent-set))))
   (loop
    :for agent := (funcall iter)
    :while agent
    :do (let ((*myself* *self*) (*self* agent)) (funcall fn)))))
 
-(defun shufflerator (agent-set)
+(defun of (fn agent-set)
+ "OF FN AGENT-SET => RESULT
+
+ARGUMENTS AND VALUES:
+
+  FN: a function, run on each agent
+  AGENT-SET: a NetLogo agentset
+  RESULT: a list
+
+DESCRIPTION:
+
+  OF is equivalent to of in NetLogo.
+
+  The specified AGENT-SET runs the given FN.  The order in which the agents
+  are run is random each time, and only agents that are in the set at the
+  beginning of the call.  A list is returned of the returned valuse of
+  FN.
+
+  See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#of"
+ (let
+  ((iter (shufflerator (agent-set-list agent-set))))
+  (loop
+   :for agent := (funcall iter)
+   :while agent
+   :collect (let ((*myself* *self*) (*self* agent)) (funcall fn)))))
+
+(defun shufflerator (agent-set-list)
  (let
-  ((copy (copy-list agent-set))
+  ((copy (copy-list agent-set-list))
    (i 0)
    (agent nil))
   (flet
@@ -169,6 +212,26 @@ DESCRIPTION:
   See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#random-float"
  (clnl-random:next-double n))
 
+(defun one-of (agent-set)
+ "ONE-OF AGENT-SET => RESULT
+
+  RESULT: RANDOM-AGENT | :nobody
+
+ARGUMENTS AND VALUES:
+
+  AGENT-SET: An agent set
+  RANDOM-AGENT: an agent if AGENT-SET is non empty
+
+DESCRIPTION:
+
+  From an agentset, returns a random agent. If the agentset is empty, returns nobody.
+
+  See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#one-of"
+ (let*
+  ((agent-set-list (agent-set-list agent-set))
+   (length (length agent-set-list)))
+  (if (zerop length) :nobody (nth (clnl-random:next-int length) agent-set-list))))
+
 (defun jump (n)
  (when (not (turtle-p *self*)) (error "Gotta call fd in turtle scope, dude (~A)" *self*))
  (setf
@@ -363,6 +426,14 @@ DESCRIPTION:
 (defmethod dump-object ((o (eql t))) "true")
 (defmethod dump-object ((o (eql nil))) "false")
 
+(defmethod dump-object ((o list)) (format nil "[~{~A~^ ~}]" (mapcar #'dump-object o)))
+
+(defmethod dump-object ((o patch))
+ (format nil "(patch ~A ~A)" (dump-object (patch-xcor o)) (dump-object (patch-ycor o))))
+
+(defmethod dump-object ((o turtle)) (format nil "(turtle ~A)" (dump-object (turtle-who o))))
+(defmethod dump-object ((o (eql :nobody))) (format nil "nobody"))
+
 (defun current-state ()
  "CURRENT-STATE => WORLD-STATE
 
@@ -410,7 +481,7 @@ DESCRIPTION:
    (lambda (turtle)
     (format nil
      "\"~A\",\"~A\",\"~A\",\"~A\",\"~A\",~A"
-     (turtle-who turtle)
+     (dump-object (turtle-who turtle))
      (dump-object (turtle-color turtle))
      (dump-object (turtle-heading turtle))
      (dump-object (turtle-xcor turtle))