(in-package #:clnl-interface)
-(defvar *patch-size* 13d0)
+(defvar *turtle-lists* nil)
+(defvar *patch-list* nil)
-(defvar *turtle-list* nil)
-
-; It may be useful to keep windows around
(defvar *glut-window-opened* nil)
-(defvar *model* nil)
+(defvar *dimensions* nil)
+(defvar *window-width* 1024)
+(defvar *window-height* 768)
+
+(defvar *default-shapes* nil)
+
+(defvar *textbox* nil)
+(defvar *inputbox* nil)
+
+; For now, shapes can live in here
+; header is
+; * name <like default>
+; * rotatable (equal to "true" if yes)
+;
+; then after, the elements are like so:
+;
+; filled == filled in (always for now, ha)
+; marked == use the turtle color instead of a color
+; polygon -> Polygon <color> <filled> <marked> <alternating x y coords>
+; circle -> Circle <color> <filled> <marked> <left> <top> <diameter> ; here, the left and top are NOT the center
+; rectangle -> Rectangle <color> <filled> <marked> <left> <top> <right> <bottom>
+;
+; then ends with an empty string
+
+(defun parse-circle (sections)
+ (list :circle
+ :color (parse-integer (car sections))
+ :filled (string= (nth 1 sections) "true")
+ :marked (string= (nth 2 sections) "true")
+ :left (parse-integer (nth 3 sections))
+ :top (parse-integer (nth 4 sections))
+ :diameter (parse-integer (nth 5 sections))))
+
+(defun parse-rectangle (sections)
+ (list
+ :rectangle
+ :color (parse-integer (car sections))
+ :filled (string= (nth 1 sections) "true")
+ :marked (string= (nth 2 sections) "true")
+ :left (parse-integer (nth 3 sections))
+ :top (parse-integer (nth 4 sections))
+ :right (parse-integer (nth 5 sections))
+ :bottom (parse-integer (nth 6 sections))))
+
+(defun parse-polygon (sections)
+ (labels
+ ((parse-points (sections)
+ (when sections
+ (cons
+ (list (- 300 (parse-integer (car sections))) (parse-integer (cadr sections)))
+ (parse-points (cddr sections))))))
+ (list
+ :polygon
+ :color (parse-integer (car sections))
+ :filled (string= (nth 1 sections) "true")
+ :marked (string= (nth 2 sections) "true")
+ :coords (parse-points (nthcdr 3 sections)))))
+
+(defun parse-shape (str)
+ (labels
+ ((parse-element (line)
+ (let
+ ((sections (cl-ppcre:split " " line)))
+ (cond
+ ((string= (car sections) "Circle") (parse-circle (cdr sections)))
+ ((string= (car sections) "Rectangle") (parse-rectangle (cdr sections)))
+ ((string= (car sections) "Polygon") (parse-polygon (cdr sections))))))
+ (parse-elements ()
+ (let
+ ((line (read-line str nil)))
+ (when (and line (string/= line ""))
+ (cons
+ (parse-element line)
+ (parse-elements))))))
+ (let
+ ((next-line (read-line str nil)))
+ (when next-line
+ (list
+ :name next-line
+ :rotatable (string= "true" (read-line str))
+ :rgb (read-line str) ; this is ignored for now, I think
+ :elements (parse-elements))))))
+
+; Clipping ears algorithm. This can be slow due to the fact that it will only be run once.
+(defun triangulate (points &optional (ccw :unknown))
+ (labels
+ ((tri-is-ccw (x y z)
+ (< 0 (- (* (- (car y) (car x)) (- (cadr z) (cadr x))) (* (- (car z) (car x)) (- (cadr y) (cadr x))))))
+ (tri-is-concave (x y z) (if (tri-is-ccw x y z) (not ccw) ccw))
+ (poly-is-ccw (points &optional cur-tri)
+ (cond
+ ((not cur-tri)
+ (poly-is-ccw (append points (list (car points))) (list (car (last points)) (car points) (cadr points))))
+ ((eql (length points) 2)
+ (apply #'tri-is-ccw cur-tri))
+ ((or
+ (< (car (cadr points)) (car (cadr cur-tri)))
+ (and
+ (= (car (cadr points)) (car (cadr cur-tri)))
+ (< (cadr (cadr points)) (cadr (cadr cur-tri)))))
+ (poly-is-ccw (cdr points) (subseq points 0 3)))
+ (t (poly-is-ccw (cdr points) cur-tri))))
+ (point-in-tri (x y z p)
+ ; Barycentric system test
+ (let*
+ ((denom (+ (* (- (cadr y) (cadr z)) (- (car x) (car z))) (* (- (car z) (car y)) (- (cadr x) (cadr z)))))
+ (a (/ (+ (* (- (cadr y) (cadr z)) (- (car p) (car z))) (* (- (car z) (car y)) (- (cadr p) (cadr z)))) denom))
+ (b (/ (+ (* (- (cadr z) (cadr x)) (- (car p) (car z))) (* (- (car x) (car z)) (- (cadr p) (cadr z)))) denom))
+ (c (- 1 a b)))
+ (and (<= 0 a 1) (<= 0 b 1) (<= 0 c 1))))
+ (no-points-in-tri (tri points)
+ (every (lambda (point) (not (point-in-tri (car tri) (cadr tri) (caddr tri) point))) points))
+ (tri-is-actually-line (x y z)
+ (zerop (+ (* (- (cadr y) (cadr z)) (- (car x) (car z))) (* (- (car z) (car y)) (- (cadr x) (cadr z)))))))
+ (cond
+ ((not (find :end points)) (triangulate (append points (list :end)) ccw))
+ ((< (length points) 4) (error "Must have at least 3 points..."))
+ ((= (length points) 4) (list (remove :end points)))
+ ((eql ccw :unknown) (triangulate points (poly-is-ccw (remove :end points))))
+ ((eql :end (car points)) (error "This polygon may not be triangulateable"))
+ (t
+ (let*
+ ((endless (remove :end points))
+ (tri (subseq endless 0 3)))
+ (cond
+ ((apply #'tri-is-actually-line tri)
+ (triangulate (cons (car endless) (cddr endless)) ccw))
+ ((apply #'tri-is-concave tri)
+ (triangulate (append (cdr points) (list (car points))) ccw))
+ ((no-points-in-tri tri (nthcdr 3 endless))
+ (cons tri (triangulate (cons (car endless) (cddr endless)) ccw)))
+ (t (triangulate (append (cdr points) (list (car points))) ccw))))))))
+
+(defun element->gl-list (shape)
+ (progn
+ (when (not (getf (cdr shape) :marked))
+ (gl:push-attrib :all-attrib-bits)
+ (gl:color
+ (/ (ash (ldb (byte 24 0) (getf (cdr shape) :color)) -16) 255)
+ (/ (ash (ldb (byte 16 0) (getf (cdr shape) :color)) -8) 255)
+ (/ (ldb (byte 8 0) (getf (cdr shape) :color)) 255)))
+ (gl:begin :triangles)
+ (case (car shape)
+ (:polygon
+ (mapcar
+ (lambda (point) (gl:vertex (car point) (cadr point) 0))
+ (apply #'append (triangulate (getf (cdr shape) :coords)))))
+ (:rectangle
+ (mapcar
+ (lambda (point) (gl:vertex (car point) (cadr point) 0))
+ (apply #'append
+ (triangulate
+ (list
+ (list (- 300 (getf (cdr shape) :left)) (getf (cdr shape) :top))
+ (list (- 300 (getf (cdr shape) :right)) (getf (cdr shape) :top))
+ (list (- 300 (getf (cdr shape) :right)) (getf (cdr shape) :bottom))
+ (list (- 300 (getf (cdr shape) :left)) (getf (cdr shape) :bottom)))))))
+ (:circle
+ (mapcar
+ (lambda (point) (gl:vertex (car point) (cadr point) 0))
+ (apply #'append
+ (triangulate
+ (loop
+ :repeat 360
+ :with c := (strictmath:cos (strictmath:to-radians 1))
+ :with s := (strictmath:sin (strictmath:to-radians 1))
+ :with r := (/ (getf (cdr shape) :diameter) 2)
+ :with left := (getf (cdr shape) :left)
+ :with top := (getf (cdr shape) :top)
+ :for n := 0 :then x
+ :for x := r :then (- (* c x) (* s y))
+ :for y := 0 :then (+ (* s n) (* c y))
+ :collect (list (- 300 (+ (+ x left) r)) (+ (+ y top) r))))))))
+ (gl:end)
+ (when (not (getf (cdr shape) :marked))
+ (gl:pop-attrib))))
+
+(defun parse-shapes (str)
+ (let
+ ((shape (parse-shape str)))
+ (when shape (cons shape (parse-shapes str)))))
+
+(defun default-shapes ()
+ (with-open-file (str "resources/defaultshapes") (parse-shapes str)))
+
+(eval-when (:load-toplevel)
+ (when (probe-file "resources/defaultshapes")
+ (setf *default-shapes* (default-shapes))))
(defvar *colors*
'((140 140 140) ; gray (5)
(nth (floor color 10) *colors*))))
(defun render-scene ()
- (gl:clear :color-buffer-bit :depth-buffer-bit)
(gl:matrix-mode :projection)
- (gl:load-identity)
- (gl:ortho -71 71 -71 71 1 5000)
- (gl:matrix-mode :modelview)
- (gl:load-identity)
- (mapcar
- (lambda (turtle)
- (let
- ((color (nl-color->rgb (getf turtle :color))))
- (gl:color (car color) (cadr color) (caddr color)))
- (gl:with-pushed-matrix
- (gl:translate (* (getf turtle :xcor) *patch-size*) (* (getf turtle :ycor) *patch-size*) 0)
- (gl:rotate (getf turtle :heading) 0 0 -1)
- (gl:call-list *turtle-list*)))
- (clnl-nvm:current-state))
+ (gl:with-pushed-matrix
+ (gl:load-identity)
+ (gl:ortho
+ (floor (* (- (getf *dimensions* :xmin) 0.5) (patch-size)))
+ (floor (* (+ (getf *dimensions* :xmax) 0.5) (patch-size)))
+ (floor (* (- (getf *dimensions* :ymin) 0.5) (patch-size)))
+ (floor (* (+ (getf *dimensions* :ymax) 0.5) (patch-size)))
+ 0 5000)
+ (gl:matrix-mode :modelview)
+ (gl:with-pushed-matrix
+ (gl:load-identity)
+ (destructuring-bind (turtles patches) (clnl-nvm:current-state)
+ (mapcar
+ (lambda (patch)
+ (let
+ ((color (nl-color->rgb (getf patch :color))))
+ (gl:color (car color) (cadr color) (caddr color)))
+ (gl:with-pushed-matrix
+ (gl:translate (* (getf patch :xcor) (patch-size)) (* (getf patch :ycor) (patch-size)) 0)
+ (gl:translate (floor (* -.5d0 (patch-size))) (floor (* -.5d0 (patch-size))) 0)
+ (gl:scale (patch-size) (patch-size) 1)
+ (gl:call-list *patch-list*)))
+ patches)
+ (mapcar
+ (lambda (turtle)
+ (let
+ ((color (nl-color->rgb (getf turtle :color))))
+ (gl:color (car color) (cadr color) (caddr color)))
+ (mapcar
+ (lambda (x-modification y-modification)
+ (gl:with-pushed-matrix
+ (gl:translate (* (getf turtle :xcor) (patch-size)) (* (getf turtle :ycor) (patch-size)) 0)
+ (gl:translate x-modification y-modification 0)
+ (let
+ ((turtle-list (find (getf turtle :shape) *turtle-lists* :test #'string= :key #'car)))
+ (when turtle-list
+ (when (second turtle-list)
+ (gl:rotate (getf turtle :heading) 0 0 -1))
+ (gl:scale (patch-size) (patch-size) 1)
+ (gl:scale (getf turtle :size) (getf turtle :size) 1)
+ (gl:call-list (third turtle-list))))))
+ (list 0 (1- (world-width-in-pixels)) (- (1- (world-width-in-pixels))) 0 0)
+ (list 0 0 0 (1- (world-height-in-pixels)) (- (1- (world-height-in-pixels))))))
+ turtles)))
+ (gl:matrix-mode :projection))
(gl:flush))
+(defun render-widgets ()
+ (clnl-gltk:render *textbox*)
+ (clnl-gltk:render *inputbox*))
+
+(defun render ()
+ (gl:clear :color-buffer-bit :depth-buffer-bit)
+ (let
+ ((width (world-width-in-pixels))
+ (height (world-height-in-pixels)))
+ (gl:viewport 0 0 *window-width* *window-height*)
+
+ (gl:matrix-mode :projection)
+ (gl:with-pushed-matrix
+ (gl:load-identity)
+ (gl:ortho 0 *window-width* 0 *window-height* 0 5000)
+ (render-widgets)
+
+ (gl:begin :lines)
+ (gl:vertex (- *window-width* width 10) (- *window-height* height 10))
+ (gl:vertex (- *window-width* width 10) (- *window-height* 9))
+
+ (gl:vertex (- *window-width* width 10) (- *window-height* 9))
+ (gl:vertex (- *window-width* 9) (- *window-height* 9))
+
+ (gl:vertex (- *window-width* 9) (- *window-height* 9))
+ (gl:vertex (- *window-width* 9) (- *window-height* height 10))
+
+ (gl:vertex (- *window-width* 9) (- *window-height* height 10))
+ (gl:vertex (- *window-width* width 10) (- *window-height* height 10))
+ (gl:end))
+
+ (gl:viewport (- *window-width* width 10) (- *window-height* height 10) width height)
+ (render-scene)))
+
(defun display ()
- (render-scene)
+ (render)
(cl-glut:swap-buffers))
(defun idle ()
(cl-glut:post-redisplay))
(defun close-func ()
+ ;(glut:leave-main-loop)
(sb-ext:exit :abort t))
(defun reshape (width height)
(when (and (/= 0 width) (/= 0 height))
- (gl:viewport 0 0 width height)))
+ (setf *window-width* width)
+ (setf *window-height* height)
+ (let
+ ((box-width (truncate (- width 12) clnl-gltk:*font-width*)))
+ (clnl-gltk:resize *textbox* box-width 12)
+ (clnl-gltk:resize *inputbox* box-width 1))))
+
+(defun execute (str)
+ (handler-case
+ (with-output-to-string (*standard-output*)
+ (clnl:run-commands str))
+ (error (e) (format nil "Ok, something went wrong: ~A~%Try :help" e))))
+
+(defun key-pressed (key x y)
+ (declare (ignore x y))
+ (if (eql key 13)
+ (let*
+ ((cmd (clnl-gltk:value *inputbox*))
+ (resp (execute cmd)))
+ (setf (clnl-gltk:textbox-text *textbox*) (format nil "> ~A~%~%~A" cmd resp))
+ (clnl-gltk:clear *inputbox*))
+ (clnl-gltk:key-pressed *inputbox* key)))
(cffi:defcallback display :void () (display))
(cffi:defcallback idle :void () (idle))
(cffi:defcallback close-func :void () (close-func))
(cffi:defcallback reshape :void ((width :int) (height :int)) (reshape width height))
+(cffi:defcallback key-pressed :void ((key :uchar) (x :int) (y :int)) (key-pressed key x y))
+(cffi:defcallback special-key-pressed :void ((key glut:special-keys) (x :int) (y :int)) (key-pressed key x y))
+
+(defun set-turtle-lists ()
+ (setf
+ *turtle-lists*
+ (mapcar
+ (lambda (shape)
+ (let
+ ((turtle-list
+ (list
+ (getf shape :name)
+ (getf shape :rotatable)
+ (gl:gen-lists 1))))
+ (gl:with-new-list ((third turtle-list) :compile)
+ (gl:rotate 180d0 0d0 0d0 -1d0)
+ (gl:scale (/ 1d0 300d0) (/ 1d0 300d0) 1)
+ (gl:translate -150d0 -150d0 -0.0d0)
+ (mapcar #'element->gl-list (getf shape :elements)))
+ turtle-list))
+ (or *default-shapes* (default-shapes)))))
-(defun set-turtle-list ()
- (setf *turtle-list* (gl:gen-lists 1))
- (gl:with-new-list (*turtle-list* :compile)
- (gl:rotate 180 0 0 -1)
- (gl:scale (* (/ 1d0 300d0) 13) (* (/ 1d0 300d0) 13) 1)
- (gl:translate -150 -150 -4.0)
+(defun set-patch-list ()
+ (setf *patch-list* (gl:gen-lists 1))
+ (gl:with-new-list (*patch-list* :compile)
(gl:begin :polygon)
- (gl:vertex 150 5 0)
- (gl:vertex 40 250 0)
- (gl:vertex 150 205 0)
- (gl:vertex 260 250 0)
+ (gl:vertex 0 0 0)
+ (gl:vertex 0 1 0)
+ (gl:vertex 1 1 0)
+ (gl:vertex 1 0 0)
(gl:end)))
-(defun initialize (model)
- "INITIALIZE MODEL => RESULT
+(defvar *initial-banner*
+ "
+ / \\
+ / \\ Welcome to CLNL version ~A!
+ / \\
+ /_______\\
+
+CLNL is an experiment at creating an alternate implementation of NetLogo.
+
+You can enter in various netlogo commands below, or use :q to quit the program.
+
+See http://github.com/frankduncan/clnl for more information about CLNL and to
+keep apprised of any updates that may happen.")
+
+(defun initialize (&key dims)
+ "INITIALIZE &key DIMS => RESULT
+
+ DIMS: (:xmin XMIN :xmax XMAX :ymin YMIN :ymax YMAX :patch-size PATCH-SIZE)
ARGUMENTS AND VALUES:
- MODEL: A clnl-model:model to use to initialize the interface
RESULT: undefined
+ XMIN: An integer representing the minimum patch coord in X
+ XMAX: An integer representing the maximum patch coord in X
+ YMIN: An integer representing the minimum patch coord in Y
+ YMAX: An integer representing the maximum patch coord in Y
+ PATCH-SIZE: A double representing the size of the patches in pixels
DESCRIPTION:
the interface lives. From here, one can go into headless or running
mode, but for certain things this interface will still need to act,
and also allows for bringing up and taking down of visual elements."
- (setf *model* model))
+ (setf *dimensions* dims))
(defun run ()
"RUN => RESULT
; I do this because I don't know who or what in the many layers
; is causing the floating point errors, but I definitely don't
; want to investigate until simply ignoring them becomes a problem.
- (sb-int:with-float-traps-masked (:invalid)
+ (sb-int:with-float-traps-masked (:invalid :inexact :divide-by-zero :overflow :underflow)
(cl-glut:init)
- (cl-glut:init-window-size
- (floor
- (* *patch-size*
- (1+ (- (getf (clnl-model:world-dimensions *model*) :xmax) (getf (clnl-model:world-dimensions *model*) :xmin)))))
- (floor
- (* *patch-size*
- (1+ (- (getf (clnl-model:world-dimensions *model*) :ymax) (getf (clnl-model:world-dimensions *model*) :ymin))))))
+ (cl-glut:init-window-size *window-width* *window-height*)
(cl-glut:init-display-mode :double :rgba)
(cl-glut:create-window "CLNL Test Window")
(setf *glut-window-opened* t)
(glut:reshape-func (cffi:callback reshape))
(cl-glut:idle-func (cffi:get-callback 'idle))
(cl-glut:close-func (cffi:get-callback 'close-func))
- (set-turtle-list)
+ (cl-glut:keyboard-func (cffi:get-callback 'key-pressed))
+ (cl-glut:special-func (cffi:get-callback 'special-key-pressed))
+ (gl:depth-func :lequal)
+ (gl:blend-func :src-alpha :one-minus-src-alpha)
+ (gl:enable :blend)
+ (set-turtle-lists)
+ (set-patch-list)
+ (clnl-gltk:setup)
+ (setf *textbox*
+ (clnl-gltk:textbox
+ 5 (+ clnl-gltk:*font-height* 14)
+ 10 12
+ (format nil *initial-banner* (asdf:component-version (asdf:find-system :clnl)))))
+ (setf *inputbox* (clnl-gltk:inputbox 5 5 10))
(cl-glut:main-loop)))
+(defun patch-size () (getf *dimensions* :patch-size))
+
+(defun world-width-in-pixels ()
+ (floor (* (patch-size) (1+ (- (getf *dimensions* :xmax) (getf *dimensions* :xmin))))))
+
+(defun world-height-in-pixels ()
+ (floor (* (patch-size) (1+ (- (getf *dimensions* :ymax) (getf *dimensions* :ymin))))))
+
(defun export-view ()
"EXPORT-VIEW => IMAGE-DATA
(cl-glut:init-window-size 1 1)
(cl-glut:create-window "CLNL Test Window")
(gl:clear-color 0 0 0 1)
- (set-turtle-list)
+ (set-turtle-lists)
+ (set-patch-list)
(setf *glut-window-opened* t))
(let
((fbo (first (gl:gen-framebuffers 1)))
(render-buf (first (gl:gen-renderbuffers 1)))
- ;(width
- ; (floor (* *patch-size* (1+ (-
- ; (getf (clnl-model:world-dimensions *model*) :ymax)
- ; (getf (clnl-model:world-dimensions *model*) :ymin))))))
- ;(height
- ; (floor (* *patch-size* (1+ (- (getf *world-dims* :xmax) (getf *world-dims* :xmin))))))
- ; (floor (* *patch-size* (1+ (-
- ; (getf (clnl-model:world-dimensions *model*) :xmax)
- ; (getf (clnl-model:world-dimensions *model*) :xmin)))))
- (width 143) ; Hard coded for now, yay v1 (if you see this comment in a year, please cry for me)
- (height 143))
+ (width (world-width-in-pixels))
+ (height (world-height-in-pixels)))
(gl:bind-framebuffer :framebuffer fbo)
(gl:bind-renderbuffer :renderbuffer render-buf)
(gl:renderbuffer-storage :renderbuffer :rgba8 width height)
projects / clnl / blobdiff