X-Git-Url: https://code.consxy.com/gitweb/gitweb.cgi?a=blobdiff_plain;f=src%2Fmain%2Fnvm.lisp;h=41f47b242026e2c3542342546f34ea04cbbc112f;hb=d568495;hp=3ea76d9309c681662c6f35e686348dc8212fc812;hpb=d0e9e5aea40d947370e90276fe12fbaa671c8992;p=clnl diff --git a/src/main/nvm.lisp b/src/main/nvm.lisp index 3ea76d9..41f47b2 100644 --- a/src/main/nvm.lisp +++ b/src/main/nvm.lisp @@ -1,36 +1,285 @@ -(in-package #:cl-nl.nvm) +(in-package #:clnl-nvm) -; This is the engine. Yay. +(defvar *current-id* 0) + +(defstruct turtle who color heading xcor ycor) +(defvar *turtles* nil) +(defvar *myself* nil) +(defvar *self* nil) + +(defun show (value) + "SHOW VALUE => RESULT + +ARGUMENTS AND VALUES: + + VALUE: a NetLogo value + RESULT: undefined + +DESCRIPTION: + + A command that prints the given NetLogo value to the command center. + + See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#show" + (format t "Showing: ~A~%" (dump-object value))) + +(defun world-dimensions () + (list :xmin -10 :xmax 10 :ymin -10 :ymax 10)) + +(defun create-turtle () + (setf + *turtles* + (nconc + *turtles* + (list + (make-turtle + :who *current-id* + :color (coerce (+ 5 (* 10 (clnl-random:next-int 14))) 'double-float) + :heading (coerce (clnl-random:next-int 360) 'double-float) + :xcor 0d0 + :ycor 0d0)))) + (incf *current-id*)) + +(defun turtles () + "TURTLES => ALL-TURTLES + +ARGUMENTS AND VALUES: + + ALL-TURTLES: a NetLogo agentset, all turtles + +DESCRIPTION: + + Reports the agentset consisting of all the turtles. + + This agentset is special in that it represents the living turtles + each time it's used, so changes depending on the state of the engine. + + See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#turtles" + *turtles*) + +(defun ask (agent-set fn) + "ASK AGENT-SET FN => RESULT + +ARGUMENTS AND VALUES: + + AGENT-SET: a NetLogo agentset + FN: a function, run on each agent + RESULT: undefined, commands don't return + +DESCRIPTION: + + ASK is equivalent to ask 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. + + See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#ask" + (let + ((iter (shufflerator agent-set))) + (loop + :for agent := (funcall iter) + :while agent + :do (let ((*myself* *self*) (*self* agent)) (funcall fn))))) + +(defun shufflerator (agent-set) + (let + ((copy (copy-list agent-set)) + (i 0) + (agent nil)) + (flet + ((fetch () + (let + ((idx (when (< i (1- (length copy))) (+ i (clnl-random:next-int (- (length copy) i)))))) + (when idx (setf agent (nth idx copy))) + (when idx (setf (nth idx copy) (nth i copy))) + (incf i)))) + (fetch) ; we pre-fetch because netlogo does, rng sync hype! + (lambda () + (cond + ((> i (length copy)) nil) + ((= i (length copy)) (incf i) (car (last copy))) + (t (let ((result agent)) (fetch) result))))))) + +(defun random-float (n) + "RANDOM-FLOAT N => RANDOM-NUMBER + +ARGUMENTS AND VALUES: + + N: a double, the upper bound of the random float + RANDOM-NUMBER: a double, the random result + +DESCRIPTION: + + Returns a random number strictly closer to zero than N. + + If number is positive, returns a random floating point number greater than + or equal to 0 but strictly less than number. + + If number is negative, returns a random floating point number less than or equal + to 0, but strictly greater than number. + + If number is zero, the result is always 0. + + See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#random-float" + (clnl-random:next-double n)) + +(defun forward (n) + "FORWARD N => RESULT + +ARGUMENTS AND VALUES: + + N: a double, the amount the turtle moves forward + RESULT: undefined + +DESCRIPTION: + + Moves the current turtle forward N steps, one step at a time. + + This moves forward one at a time in order to make the view updates look + good in the case of a purposefully slow running instance. If the number + is negative, the turtle moves backward. + + If the current agent is not a turtle, it raises an error. + + See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#forward" + (when (not (turtle-p *self*)) (error "Gotta call fd in turtle scope, dude (~A)" *self*)) + (setf (turtle-xcor *self*) (+ (turtle-xcor *self*) (* n (sin (* pi (/ (turtle-heading *self*) 180)))))) + (setf (turtle-ycor *self*) (+ (turtle-ycor *self*) (* n (cos (* pi (/ (turtle-heading *self*) 180))))))) (defun create-turtles (n) - (format t "HELLO WORLD ~A~%" n)) + "CREATE-TURTLES N => RESULT + +ARGUMENTS AND VALUES: + + N: an integer, the numbers of turtles to create + RESULT: undefined + +DESCRIPTION: + + Creates number new turtles at the origin. + + New turtles have random integer headings and the color is randomly selected + from the 14 primary colors. If commands are supplied, the new turtles + immediately run them (unimplemented). + + See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#create-turtles" + (loop :for i :from 1 :to n :do (create-turtle))) + +(defun create-world () + "CREATE-WORLD => RESULT + +ARGUMENTS AND VALUES: + + RESULT: undefined + +DESCRIPTION: + + Initializes the world in the NVM. + + This should be called before using the engine in any real capacity. If + called when an engine is already running, it may do somethign weird." + (setf *turtles* nil) + (setf *current-id* 0)) + +; These match netlogo's dump +(defgeneric dump-object (o)) + +(defmethod dump-object ((n double-float)) + (multiple-value-bind (int rem) (floor n) + (if (eql 0d0 rem) + (format nil "~A" int) + (let + ((output (format nil "~D" n))) + ; Someday we'll have d, but this is not that day! + (cl-ppcre:regex-replace "d-" (cl-ppcre:regex-replace "d0" output "") "E-"))))) + +(defmethod dump-object ((o string)) o) + +(defun current-state () + "CURRENT-STATE => WORLD-STATE + +ARGUMENTS AND VALUES: + + WORLD-STATE: A list, the current state of the whole world + +DESCRIPTION: + + Dumps out the state of the world. + + This is useful for visualizations and also storing in a common lisp + data structure for easy usage in a common lisp instance. It's preferable + to use this when working with the nvm than the output done by export-world. + + Currently this only dumps out turtle information. + + This is called CURRENT-STATE because export-world is an actual primitive + used by NetLogo." + (mapcar + (lambda (turtle) + (list + :color (turtle-color turtle) + :xcor (turtle-xcor turtle) + :ycor (turtle-ycor turtle) + :heading (turtle-heading turtle))) + *turtles*)) + +(defun export-patches () + (list + "\"pxcor\",\"pycor\",\"pcolor\",\"plabel\",\"plabel-color\"" + "\"-1\",\"1\",\"0\",\"\"\"\"\"\",\"9.9\"" + "\"0\",\"1\",\"0\",\"\"\"\"\"\",\"9.9\"" + "\"1\",\"1\",\"0\",\"\"\"\"\"\",\"9.9\"" + "\"-1\",\"0\",\"0\",\"\"\"\"\"\",\"9.9\"" + "\"0\",\"0\",\"0\",\"\"\"\"\"\",\"9.9\"" + "\"1\",\"0\",\"0\",\"\"\"\"\"\",\"9.9\"" + "\"-1\",\"-1\",\"0\",\"\"\"\"\"\",\"9.9\"" + "\"0\",\"-1\",\"0\",\"\"\"\"\"\",\"9.9\"" + "\"1\",\"-1\",\"0\",\"\"\"\"\"\",\"9.9\"")) (defun export-world () + "EXPORT-WORLD => WORLD-CSV + +ARGUMENTS AND VALUES: + + WORLD-CSV: A string, the csv of the world + +DESCRIPTION: + + Dumps out a csv matching NetLogo's export world. + + This is useful for serializing the current state of the engine in order + to compare against NetLogo or to reimport later. Contains everything needed + to boot up a NetLogo instance in the exact same state." (format nil "~{~A~%~}" (list (format nil "~S" "RANDOM STATE") - (format nil "~S" (cl-nl.random:export)) + (format nil "~S" (clnl-random:export)) "" (format nil "~S" "GLOBALS") - "\"min-pxcor\",\"max-pxcor\",\"min-pycor\",\"max-pycor\",\"perspective\",\"subject\",\"nextIndex\",\"directed-links\",\"ticks\"," - "\"-1\",\"1\",\"-1\",\"1\",\"0\",\"nobody\",\"0\",\"\"\"NEITHER\"\"\",\"-1\"" + (format nil "~A~A" + "\"min-pxcor\",\"max-pxcor\",\"min-pycor\",\"max-pycor\",\"perspective\",\"subject\"," + "\"nextIndex\",\"directed-links\",\"ticks\",") + (format nil "\"-1\",\"1\",\"-1\",\"1\",\"0\",\"nobody\",\"~A\",\"\"\"NEITHER\"\"\",\"-1\"" *current-id*) "" (format nil "~S" "TURTLES") - "\"who\",\"color\",\"heading\",\"xcor\",\"ycor\",\"shape\",\"label\",\"label-color\",\"breed\",\"hidden?\",\"size\",\"pen-size\",\"pen-mode\"" - "" + (format nil "~A~A" + "\"who\",\"color\",\"heading\",\"xcor\",\"ycor\",\"shape\",\"label\",\"label-color\"," + "\"breed\",\"hidden?\",\"size\",\"pen-size\",\"pen-mode\"") + (format nil "~{~A~%~}" + (mapcar + (lambda (turtle) + (format nil + "\"~A\",\"~A\",\"~A\",\"~A\",\"~A\",~A" + (turtle-who turtle) + (dump-object (turtle-color turtle)) + (dump-object (turtle-heading turtle)) + (dump-object (turtle-xcor turtle)) + (dump-object (turtle-ycor turtle)) + "\"\"\"default\"\"\",\"\"\"\"\"\",\"9.9\",\"{all-turtles}\",\"false\",\"1\",\"1\",\"\"\"up\"\"\"")) + *turtles*)) (format nil "~S" "PATCHES") - "\"pxcor\",\"pycor\",\"pcolor\",\"plabel\",\"plabel-color\"" - "\"-1\",\"1\",\"0\",\"\"\"\"\"\",\"9.9\"" - "\"0\",\"1\",\"0\",\"\"\"\"\"\",\"9.9\"" - "\"1\",\"1\",\"0\",\"\"\"\"\"\",\"9.9\"" - "\"-1\",\"0\",\"0\",\"\"\"\"\"\",\"9.9\"" - "\"0\",\"0\",\"0\",\"\"\"\"\"\",\"9.9\"" - "\"1\",\"0\",\"0\",\"\"\"\"\"\",\"9.9\"" - "\"-1\",\"-1\",\"0\",\"\"\"\"\"\",\"9.9\"" - "\"0\",\"-1\",\"0\",\"\"\"\"\"\",\"9.9\"" - "\"1\",\"-1\",\"0\",\"\"\"\"\"\",\"9.9\"" + (format nil "~{~A~^~%~}" (export-patches)) "" (format nil "~S" "LINKS") "\"end1\",\"end2\",\"color\",\"label\",\"label-color\",\"hidden?\",\"breed\",\"thickness\",\"shape\",\"tie-mode\"" - "" - ))) + "")))