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sb.scm
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;; [ Copyright (C) 2012 Dave Griffiths : GPLv3 see LICENCE ]
;; todo:
;; * show/hide palette
;; * rotate/hide block
;; * click undock bug
;; * auto record edits
;; * load/save code
;; * copy/paste
;; * drag resized distance
;; * resize block
;; * execute flash block
;; * play flash insertion
;; * middle click code select
;; * palette move with mouse wheel
;; * lock pallete items from drag/drop (lock all recusively?)
;; * drop messed up from bottom
;; * right click text edit
(require mzlib/string)
(require fluxus-018/fluxa)
(define drop-fudge 0)
(define lag-fudge 0.7)
(define drag-transparent 0.75)
(set-global-offset 0.12)
(define sound-check #f)
(define (reset)
(clear-pings!)
(searchpath "/home/dave/noiz/nm/")
(reload))
(reset)
(define palette '(
() (play-now) (seq) (lambda) (reset) time clock sync-tempo
0 0.1 440 (play) (+) (*) (/) (-) (sine) (squ) (saw)
(white) (pink) (sample) (adsr 0 0.1 0 0) (mooglp)
(mooghp) (moogbp) (rndf) (note) (random 100)
(when (zmod clock 4))
(modulo clock 8)
(pick (list 0.1 0.2) clock)
(cond ((zmod clock 4) )(else ))
(define (zop time clock))
(cond ((< clock 4)))
(in time 0.5 zop (+ clock 1))
(if (even? clock) 0.25 0.5)
(if (< clock 6) 0.25 0.5)
(define (root time clock) (synced-in time root (+ clock 1)))
(synced-in (time-now) root 0)
(when (and (< (modulo clock 34) 3) (zmod clock 2)))
))
(define (_println l)
(map
(lambda (a)
(display a)(display " "))
l)
(newline))
(define (println . args) (_println args))
(define (dbg . args) (_println args) (car args))
(define (insert-to i p l)
(cond
((null? l) (list i))
((zero? p) (cons i l))
(else
(cons (car l) (insert-to i (- p 1) (cdr l))))))
;; (list-replace '(1 2 3 4) 2 100) => '(1 2 100 4)
(define (list-replace l i v)
(cond
((null? l) l)
((zero? i) (cons v (list-replace (cdr l) (- i 1) v)))
(else (cons (car l) (list-replace (cdr l) (- i 1) v)))))
(define (in-list? a l)
(cond
((null? l) #f)
((eq? (car l) a) #t)
(else (in-list? a (cdr l)))))
(define (text-from-code code)
(cond
((string? code)
(string-append "\"" code "\""))
((number? code)
(number->string code))
((symbol? code)
(symbol->string code))))
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
; maths hacks, move to fluxa
(define (all-numbers? l)
(cond
((null? l) #t)
((not (number? (car l))) #f)
(else (all-numbers? (cdr l)))))
(define (+ . args)
(if (all-numbers? args)
(apply + args)
(proc-list add args)))
(define (- . args)
(if (all-numbers? args)
(apply - args)
(proc-list sub args)))
(define (/ . args)
(if (all-numbers? args)
(apply / args)
(proc-list div args)))
(define (* . args)
(if (all-numbers? args)
(apply * args)
(proc-list mul args)))
(define (proc-list p l)
(cond
((eq? (length l) 1) (car l))
((eq? (length l) 2) (p (car l) (cadr l)))
(else (p (car l) (proc-list p (cdr l))))))
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(define (get-line-from-mouse)
(let* ((ndcpos (vector (* (- (/ (mouse-x) (vx (get-screen-size))) 0.5) 2)
(* (- (- (/ (mouse-y) (vy (get-screen-size))) 0.5)) 1.5) -1))
(scrpos2 (vtransform (vmul ndcpos 500) (minverse (get-camera-transform))))
(scrpos (vtransform ndcpos (minverse (get-camera-transform)))))
(list scrpos scrpos2)))
(define (get-point-from-mouse)
(let ((line (get-line-from-mouse)))
(vlerp (car line) (cadr line) (/ (vz (car line))
(- (vz (car line)) (vz (cadr line)))))))
(define (linebreak txt)
(let ((t (foldl
(lambda (ch r)
(if (and (char=? ch #\ ) (> (string-length (car r)) 40))
(list "" (append (cadr r) (list (car r))))
(list (string-append (car r) (string ch))
(cadr r))))
(list "" '())
(string->list txt))))
(append (cadr t) (list (car t)))))
(define (broadcast t error)
(display error)(newline)
(let ((error (linebreak error)))
(let ((p (build-locator)))
(with-state
(parent p)
(translate (vector -24 18 5))
(scale 1)
(hint-unlit)
(hint-depth-sort)
(texture-params 0 (list 'min 'linear 'mag 'linear))
(texture (load-texture "oolite-font.png"
(list 'generate-mipmaps 0 'mip-level 0)))
(for-each
(lambda (line)
(let ((pp (build-text line)))
(translate (vector 0 -1 0))
(with-primitive pp
(text-params line (/ 16 256) (/ 16 256) 16 0 -0.01 0 15 -20 0.005 0.2))))
error))
(spawn-timed-task (+ (time-now) t)
(lambda () (destroy p))))))
; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(define (set-text text)
(text-params text (/ 16 256) (/ 16 256) 16 0 -0.01 0 15 -20 0.005 0.2))
(define (make-brick text children)
(let* ((atom (not children))
(prim (build-polygons (if atom 4 8) 'triangle-strip))
(depth-shape-prim (build-polygons (if atom 16 32) 'quad-list))
(text-prim (with-state
(parent prim)
(translate (vector -0.9 1.1 0.0001))
(hint-unlit)
(hint-depth-sort)
(colour 0)
(texture-params 0 (list 'min 'linear 'mag 'linear))
(texture (load-texture "oolite-font.png"
(list 'generate-mipmaps 0 'mip-level 0)))
(let ((text-prim (build-text text)))
(with-primitive
text-prim
(set-text text))
text-prim))))
(with-primitive
prim
;;(hint-none)(hint-wire)
(cond
(atom
(pdata-set! "p" 0 (vector 5 0 0))
(pdata-set! "p" 1 (vector 5 1 0))
(pdata-set! "p" 2 (vector -1 0 0))
(pdata-set! "p" 3 (vector -1 1 0)))
(else
(pdata-set! "p" 0 (vector 5 0 0))
(pdata-set! "p" 1 (vector 5 1 0))
(pdata-set! "p" 2 (vector 0 0 0))
(pdata-set! "p" 3 (vector -1 1 0))
(pdata-set! "p" 4 (vector 0 0 0))
(pdata-set! "p" 5 (vector -1 -1 0))
(pdata-set! "p" 6 (vector 5 0 0))
(pdata-set! "p" 7 (vector 5 -1 0))))
(pdata-map! (lambda (n) (vector 0 0 1)) "n")
(apply-transform)
(pdata-copy "p" "pref"))
(let ((depth -3))
(with-primitive
depth-shape-prim
(parent prim)
(cond
(atom
(pdata-set! "p" 0 (vector -1 1 depth))
(pdata-set! "p" 1 (vector -1 1 0))
(pdata-set! "p" 2 (vector 5 1 0))
(pdata-set! "p" 3 (vector 5 1 depth))
(pdata-set! "n" 0 (vector 0 1 0))
(pdata-set! "n" 1 (vector 0 1 0))
(pdata-set! "n" 2 (vector 0 1 0))
(pdata-set! "n" 3 (vector 0 1 0))
(pdata-set! "p" 4 (vector 5 1 depth))
(pdata-set! "p" 5 (vector 5 1 0))
(pdata-set! "p" 6 (vector 5 0 0))
(pdata-set! "p" 7 (vector 5 0 depth))
(pdata-set! "n" 4 (vector 1 0 0))
(pdata-set! "n" 5 (vector 1 0 0))
(pdata-set! "n" 6 (vector 1 0 0))
(pdata-set! "n" 7 (vector 1 0 0))
(pdata-set! "p" 8 (vector 5 0 depth))
(pdata-set! "p" 9 (vector 5 0 0))
(pdata-set! "p" 10 (vector -1 0 0))
(pdata-set! "p" 11 (vector -1 0 depth))
(pdata-set! "n" 8 (vector 0 -1 0))
(pdata-set! "n" 9 (vector 0 -1 0))
(pdata-set! "n" 10 (vector 0 -1 0))
(pdata-set! "n" 11 (vector 0 -1 0))
(pdata-set! "p" 12 (vector -1 0 depth))
(pdata-set! "p" 13 (vector -1 0 0))
(pdata-set! "p" 14 (vector -1 1 0))
(pdata-set! "p" 15 (vector -1 1 depth))
(pdata-set! "n" 12 (vector -1 0 0))
(pdata-set! "n" 13 (vector -1 0 0))
(pdata-set! "n" 14 (vector -1 0 0))
(pdata-set! "n" 15 (vector -1 0 0)))
(else
(pdata-set! "p" 0 (vector 0 0 0))
(pdata-set! "p" 1 (vector 0 0 depth))
(pdata-set! "p" 2 (vector 5 0 depth))
(pdata-set! "p" 3 (vector 5 0 0))
(pdata-set! "n" 0 (vector 0 -1 0))
(pdata-set! "n" 1 (vector 0 -1 0))
(pdata-set! "n" 2 (vector 0 -1 0))
(pdata-set! "n" 3 (vector 0 -1 0))
(pdata-set! "p" 4 (vector 5 0 0))
(pdata-set! "p" 5 (vector 5 0 depth))
(pdata-set! "p" 6 (vector 5 1 depth))
(pdata-set! "p" 7 (vector 5 1 0))
(pdata-set! "n" 4 (vector 1 0 0))
(pdata-set! "n" 5 (vector 1 0 0))
(pdata-set! "n" 6 (vector 1 0 0))
(pdata-set! "n" 7 (vector 1 0 0))
(pdata-set! "p" 8 (vector 5 1 0))
(pdata-set! "p" 9 (vector 5 1 depth))
(pdata-set! "p" 10 (vector -1 1 depth))
(pdata-set! "p" 11 (vector -1 1 0))
(pdata-set! "n" 8 (vector 0 1 0))
(pdata-set! "n" 9 (vector 0 1 0))
(pdata-set! "n" 10 (vector 0 1 0))
(pdata-set! "n" 11 (vector 0 1 0))
(pdata-set! "p" 12 (vector 0 0 depth))
(pdata-set! "p" 13 (vector 0 0 0))
(pdata-set! "p" 14 (vector 0 0 0)) ; --
(pdata-set! "p" 15 (vector 0 0 depth)) ; --
(pdata-set! "n" 12 (vector 1 0 0))
(pdata-set! "n" 13 (vector 1 0 0))
(pdata-set! "n" 14 (vector 1 0 0))
(pdata-set! "n" 15 (vector 1 0 0))
(pdata-set! "p" 16 (vector -1 1 0))
(pdata-set! "p" 17 (vector -1 1 depth))
(pdata-set! "p" 18 (vector -1 -1 depth)) ;--
(pdata-set! "p" 19 (vector -1 -1 0)) ;--
(pdata-set! "n" 16 (vector -1 0 0))
(pdata-set! "n" 17 (vector -1 0 0))
(pdata-set! "n" 18 (vector -1 0 0))
(pdata-set! "n" 19 (vector -1 0 0))
(pdata-set! "p" 20 (vector -1 -1 0)) ;--
(pdata-set! "p" 21 (vector -1 -1 depth)) ;--
(pdata-set! "p" 22 (vector 5 -1 depth)) ;--
(pdata-set! "p" 23 (vector 5 -1 0)) ;--
(pdata-set! "n" 20 (vector 0 -1 0))
(pdata-set! "n" 21 (vector 0 -1 0))
(pdata-set! "n" 22 (vector 0 -1 0))
(pdata-set! "n" 23 (vector 0 -1 0))
(pdata-set! "p" 24 (vector 5 -1 0)) ;--
(pdata-set! "p" 25 (vector 5 -1 depth)) ;--
(pdata-set! "p" 26 (vector 5 0 depth)) ;--
(pdata-set! "p" 27 (vector 5 0 0)) ;--
(pdata-set! "n" 24 (vector 1 0 0))
(pdata-set! "n" 25 (vector 1 0 0))
(pdata-set! "n" 26 (vector 1 0 0))
(pdata-set! "n" 27 (vector 1 0 0))
(pdata-set! "p" 28 (vector 5 0 0)) ;--
(pdata-set! "p" 29 (vector 5 0 depth)) ;--
(pdata-set! "p" 30 (vector 0 0 depth)) ; --
(pdata-set! "p" 31 (vector 0 0 0)) ; --
(pdata-set! "n" 28 (vector 0 1 0))
(pdata-set! "n" 29 (vector 0 1 0))
(pdata-set! "n" 30 (vector 0 1 0))
(pdata-set! "n" 31 (vector 0 1 0))))
(pdata-copy "p" "pref")))
(list text children empty-ghost prim text-prim depth-shape-prim #f #f)))
(define (brick-text b) (list-ref b 0))
(define (brick-modify-text f b) (list-replace b 0 (f (brick-text b))))
(define (brick-children b) (list-ref b 1))
(define (brick-is-atom? b) (not (brick-children b)))
(define (brick-modify-children f b) (list-replace b 1 (f (brick-children b))))
(define (brick-ghost b) (list-ref b 2))
(define (brick-modify-ghost f b) (list-replace b 2 (f (brick-ghost b))))
(define ghost-pos car)
;(define ghost-size cadr)
(define (ghost-size i) 1)
(define empty-ghost (list #f 1))
(define (brick-clear-ghost b) (brick-modify-ghost (lambda (g) empty-ghost) b))
(define (brick-id b) (list-ref b 3))
(define (brick-text-prim b) (list-ref b 4))
(define (brick-depth b) (list-ref b 5))
(define (brick-locked b) (list-ref b 6)) ; for the palette
(define (brick-modify-locked f b) (list-replace b 6 (f (brick-locked b))))
;; set manually when creating the palette
(define (brick-parent-locked b) (list-ref b 7))
(define (brick-modify-parent-locked f b) (list-replace b 7 (f (brick-parent-locked b))))
(define (brick-for-each fn b)
(fn b)
(when (brick-children b)
(for-each
(lambda (c)
(brick-for-each fn c))
(brick-children b))))
(define (brick-destroy! b)
(brick-for-each
(lambda (b)
(destroy (brick-id b)))
b))
(define (brick-modify-all-children fn b)
(if (brick-is-atom? b)
(fn b)
(brick-modify-children
(lambda (children)
(map
(lambda (child)
(brick-modify-all-children fn child))
children))
(fn b))))
(define (brick-modify-brick fn b id)
;; check ourself first
(if (eq? (brick-id b) id)
(fn b)
;; search children
(if (brick-is-atom? b)
b
(brick-modify-children
(lambda (children)
(map
(lambda (child)
(brick-modify-brick fn child id))
children))
b))))
(define (brick-search b id)
;; check ourself first
(if (eq? (brick-id b) id)
b
;; search children
(if (brick-is-atom? b)
#f
(foldl
(lambda (child r)
(cond
(r r) ;; already found
((eq? (brick-id child) id) child)
(else (brick-search child id))))
#f
(brick-children b)))))
(define (brick-search-for-parent b id)
(if (brick-is-atom? b)
#f
;; search children
(foldl
(lambda (child r)
(if (not r)
(cond
((eq? (brick-id child) id) b)
(else (brick-search-for-parent child id)))
r))
#f
(brick-children b))))
(define (brick-transparent! b a)
(with-primitive
(brick-id b)
(opacity a)
;(hint-nozwrite)
)
(with-primitive
(brick-depth b)
(opacity a)
;(hint-nozwrite)
))
(define (brick-opaque! b)
(with-primitive
(brick-id b)
(opacity 1)
(hint-none)(hint-solid))
(with-primitive
(brick-depth b)
(opacity 1)
(hint-none)(hint-solid)))
(define (brick-text-glow! p)
(with-primitive
p
(colour (+ 0.5 (fmod (* 4 (flxtime)) 0.5)))))
(define (brick-code-glow! p)
(with-primitive
p
(colour (vmix
(vector 1 0 0)
(vector 1 1 0)
(abs (sin (* (flxtime) 2)))))))
(define (brick-get-scale b)
(with-primitive
(brick-id b)
(let ((tx (get-transform)))
(vmag (vector
(vector-ref tx 0)
(vector-ref tx 5)
(vector-ref tx 11))))))
(define (brick-expand! b n)
(with-primitive
(brick-id b)
(for ((i (in-range 4 8)))
(pdata-set! "p" i (vadd (pdata-ref "pref" i) (vector 0 (- n) 0)))))
(with-primitive
(brick-depth b)
(for-each (lambda (i)
(pdata-set! "p" i (vadd (pdata-ref "pref" i) (vector 0 (- n) 0))))
(list 14 15))
(for ((i (in-range 18 32)))
(pdata-set! "p" i (vadd (pdata-ref "pref" i) (vector 0 (- n) 0))))))
(define (brick-children-size b)
(if (not (brick-is-atom? b))
(foldl
(lambda (child n)
(+ n (brick-size child)))
(if (ghost-pos (brick-ghost b))
(ghost-size (brick-ghost b)) 0)
(brick-children b))
0))
(define (make-brick-from-atom code)
(make-brick (text-from-code code) #f))
(define (code->brick code)
(cond
;; atom
((not (list? code)) (make-brick-from-atom code))
;; empty list
((null? code) (make-brick "" '()))
;; list starting with atom
((not (list? (car code)))
(make-brick
(text-from-code (car code))
(map
(lambda (item)
(code->brick item))
(cdr code))))
;; anoymous list
(else
(make-brick
""
(map
(lambda (item)
(code->brick item))
code)))))
(define (brick-size b)
(if (brick-is-atom? b) 1
(+ 2 (brick-children-size b))))
(define (remove-last str)
(substring str 0 (- (string-length str) 1)))
(define (brick->code b)
(eval-string (string-append "'" (brick->text b #f))))
;; does the flashing when it plays the sound business
(define (brick-code-inserts b)
(cond
((and (eq? 2 (length (brick-children b)))
(string=? "play" (brick-text b)))
(string-append " 0 (lambda () (with-primitive " (number->string (brick-id b))
" (colour (vector 1 1 1)))"
"(with-primitive " (number->string (brick-depth b))
" (colour (vector 1 1 1))))"))
((and (eq? 3 (length (brick-children b)))
(string=? "play" (brick-text b)))
(string-append " (lambda () (with-primitive " (number->string (brick-id b))
" (colour (vector 1 1 1)))"
"(with-primitive " (number->string (brick-depth b))
" (colour (vector 1 1 1))))"))
(else "")))
(define (brick->text b do-insert)
(if (brick-is-atom? b)
(brick-text b)
(string-append
(remove-last
(string-append "(" (brick-text b) " "
(apply string-append
(map
(lambda (child)
(string-append
(brick->text child do-insert) " "))
(brick-children b)))))
(if do-insert (brick-code-inserts b) "") ")")))
(define (brick->sexpr b)
(if (brick-is-atom? b)
(string->symbol (brick-text b))
(apply
list
(cons
(string->symbol (brick-text b))
(map brick->sexpr (brick-children b))))))
(define (brick-pos->slot b pos)
(let ((relative-y
(vy (vsub
(with-primitive
(brick-id b)
(vtransform (vector 0 0 0) (get-global-transform)))
pos))))
(car (foldl
(lambda (child r)
(list
;; if we are lower than relative-y
(if (< (+ (cadr r) drop-fudge) relative-y)
(+ (car r) 1) ; keep adding
(car r)) ; return this index
(+ (cadr r) (brick-size child))))
(list 0 1) ; index, y
(brick-children b)))))
(define (brick-update-ghost b pos size)
(brick-modify-ghost
(lambda (g) (list (brick-pos->slot b pos) size))
b))
(define (brick-dock b new)
(cond ((or (brick-parent-locked b)
(brick-locked b)) b)
(else
(with-primitive
(brick-id new)
(identity)
(parent (brick-id b)))
(brick-modify-children
(lambda (children)
(insert-to new (ghost-pos (brick-ghost b)) children))
(brick-clear-ghost b)))))
(define (brick-undock b id)
(cond ((or (brick-locked b)
(brick-parent-locked b)) b)
(else
(with-primitive id (detach-parent))
(brick-modify-children
(lambda (children)
(filter
(lambda (b)
(not (eqv? (brick-id b) id)))
children))
b))))
; update the primitive and children to match the state
(define (brick-update! b d)
(with-primitive
(brick-text-prim b)
(set-text (brick-text b)))
(with-primitive
(brick-id b)
(colour (vector 1 (/ (modulo d 6) 6) (/ (modulo d 4) 4))))
(with-primitive
(brick-depth b)
(colour (vector 1 (/ (modulo d 6) 6) (/ (modulo d 4) 4))))
(when (not (brick-is-atom? b))
(let ((size
(car
(foldl
(lambda (child p)
(with-primitive
(brick-id child)
(identity)
(parent (brick-id b))
(when (brick-locked b) (translate (vector 0 (* (cadr p) -1.3) 0)))
(translate (vector 1 (- (car p)) 0)))
(brick-update! child (+ d 1))
(list
(if (and (ghost-pos (brick-ghost b))
(eq? (ghost-pos (brick-ghost b))
(+ (cadr p)
(ghost-size (brick-ghost b)))))
;; insert ghost
(+ (car p) (brick-size child)
(ghost-size (brick-ghost b)))
(+ (car p) (brick-size child)))
(+ (cadr p) 1)))
(list
(if (and (ghost-pos (brick-ghost b))
(eq? (ghost-pos (brick-ghost b)) 0))
(+ 1 (ghost-size (brick-ghost b))) 1)
0) ; y, index
(brick-children b)))))
(brick-expand! b (- size 1)))))
#;(define (brick-intersect b line)
(with-primitive
(brick-id b)
(let ((p (geo/line-intersect (vtransform (car line) (minverse (get-global-transform)))
(vtransform (cadr line) (minverse (get-global-transform)))))
(m (get-global-transform)))
(if (not (null? p))
b
(if (not (brick-is-atom? b))
(foldl
(lambda (child r)
(if (not r) (brick-intersect child line) r))
#f
(brick-children b))
#f)))))
(define (brick-intersect b pos)
(let ((hit (if (not (brick-is-atom? b))
(foldl
(lambda (child r)
(if (not r) (brick-intersect child pos) r))
#f
(brick-children b))
#f)))
(if (not hit)
(with-primitive
(brick-id b)
(recalc-bb)
(if (bb/point-intersect? pos 0.1) b #f))
hit)))
(define (brick-intersect-no-atoms b pos)
(if (not (brick-is-atom? b))
(let ((hit (foldl
(lambda (child r)
(if (not r) (brick-intersect-no-atoms child pos) r))
#f
(brick-children b))))
(if (not hit)
(with-primitive
(brick-id b)
(recalc-bb)
(if (bb/point-intersect? pos 0.1) b #f))
hit))
#f))
;---------------------------------------------------------
(define (make-bricks)
(list '() (vector 0 0 0) #f #f #f #f #f '() #f
(let* ((p (open-input-file "history/persist.scm"))
(r (read p)))
(println "history level is: " r)
(close-input-port p)
r)))
(define (bricks-roots b) (list-ref b 0))
(define (bricks-modify-roots f b) (list-replace b 0 (f (bricks-roots b))))
(define (bricks-mouse b) (list-ref b 1))
(define (bricks-modify-mouse f b) (list-replace b 1 (f (bricks-mouse b))))
(define (bricks-button b) (list-ref b 2))
(define (bricks-modify-button f b) (list-replace b 2 (f (bricks-button b))))
(define (bricks-current b) (list-ref b 3))
(define (bricks-modify-current f b) (list-replace b 3 (f (bricks-current b))))
(define (bricks-drop-over b) (list-ref b 4))
(define (bricks-modify-drop-over f b) (list-replace b 4 (f (bricks-drop-over b))))
(define (bricks-typing b) (list-ref b 5))
(define (bricks-modify-typing f b) (list-replace b 5 (f (bricks-typing b))))
(define (bricks-typing-current b) (list-ref b 6))
(define (bricks-modify-typing-current f b) (list-replace b 6 (f (bricks-typing-current b))))
(define (bricks-keys b) (list-ref b 7))
(define (bricks-modify-keys f b) (list-replace b 7 (f (bricks-keys b))))
(define (bricks-code-current b) (list-ref b 8))
(define (bricks-modify-code-current f b) (list-replace b 8 (f (bricks-code-current b))))
(define (bricks-history b) (list-ref b 9))
(define (bricks-modify-history f b) (list-replace b 9 (f (bricks-history b))))
(define (bricks-save b fn)
(let ((f (open-output-file fn #:exists 'replace)))
(write
(map
(lambda (root)
(list
(with-primitive (brick-id root) (get-global-transform))
(brick->text root #f)))
(filter (lambda (root) (not (brick-locked root))) (bricks-roots b)))
f)
(close-output-port f)))
(define (bricks-load b fn)
(let* ((f (open-input-file fn))
(ret (foldl
(lambda (e b)
(println (cadr e))
(let ((brick (code->brick (eval-string (string-append "'" (cadr e))))))
(with-primitive
(brick-id brick)
(concat (car e)))
(bricks-add-root b brick)))
b
(read f))))
(close-input-port f)
ret))
(define (get-max-history)
(let* ((f (open-input-file "history/persist.scm"))
(max (read f)))
(close-input-port f)
max))
(define (increase-history!)
(let* ((h (get-max-history))
(f (open-output-file "history/persist.scm" #:exists 'replace)))
(write (+ h 1) f)
(close-output-port f)
(+ h 1)))
(define (bricks-load-history b)
(bricks-load
(bricks-clear b)
(string-append
"history/"
(number->string (bricks-history b))
".scm")))
(define (bricks-save-history! b)
(bricks-save
b
(string-append
"history/"
(number->string (increase-history!))
".scm")))
(define (bricks-modify-brick fn b id)
(bricks-modify-roots
(lambda (roots)
(map
(lambda (root)
(brick-modify-brick fn root id))
roots))
b))
(define (bricks-delete b brick)
(let* ((id (brick-id brick))
(parent (bricks-search-for-parent b id))
(new-b (if parent
(bricks-modify-brick
(lambda (parent)
(brick-undock parent id))
b (brick-id parent))
(bricks-modify-roots
(lambda (roots)
(filter
(lambda (r)
(not (eq? (brick-id r) id)))
roots))
b))))
(brick-destroy! brick) ;; destroy after potentially undocking
new-b))
(define (bricks-palette b) (car (bricks-roots b)))
(define (bricks-add-root b root)
(bricks-modify-roots
(lambda (roots)
;; add to end so palette is always first element
(append roots (list root)))
b))
(define (bricks-remove-root b id)
(bricks-modify-roots
(lambda (roots)
(filter (lambda (root) (not (eq? id (brick-id root)))) roots))
b))
(define (bricks-clear b)
(for-each
(lambda (root)
(when (not (brick-locked root))
(brick-destroy! root)))
(bricks-roots b))
(bricks-modify-roots
(lambda (r) (list (car r)))
(bricks-modify-code-current
(lambda (c) #f)
(bricks-modify-typing-current
(lambda (t) #f)
b))))
(define (bricks->text b)
(apply
string-append
(map brick->text
(filter (lambda (brx)
(not (brick-locked brx)))
(bricks-roots b))
#f)))
(define (bricks->sexpr b)
(apply list (map brick->sexpr (bricks-roots b))))
(define (bricks-add-clone b brick)
(bricks-add-root b (code->brick (brick->code brick))))
(define (bricks-add-spawn b brick)
(let ((copy (code->brick (brick->code brick)))
;; copy the transform
(tx (with-primitive (brick-id brick) (get-global-transform))))
(brick-for-each
(lambda (brick)
(brick-transparent! brick drag-transparent)) ;; make transparent as we are dragging
copy)
(with-primitive (brick-id copy) (identity) (concat tx) (scale 2))
(bricks-modify-current
(lambda (c) copy)
(bricks-add-root b copy))))
(define (bricks-add-code b code)
(bricks-add-root b (code->brick code)))
(define (bricks-get-over b pos)
(foldl
(lambda (brick r)
(if (and
(not r) ;; not found anything yet
(or
(not (bricks-current b)) ;; not dragging anything
;; what we are dragging is not this
(not (eq? (brick-id brick) (brick-id (bricks-current b))))))
(brick-intersect brick pos)
r))
#f
(bricks-roots b)))
(define (bricks-get-over-no-atoms b pos)
(foldl
(lambda (brick r)
(if (and
(not r) ;; not found anything yet
(or
(not (bricks-current b)) ;; not dragging anything
;; what we are dragging is not this
(not (eq? (brick-id brick) (brick-id (bricks-current b))))))
(brick-intersect-no-atoms brick pos)
r))
#f
(bricks-roots b)))
;; look for the brick with id
(define (bricks-search b id)
(foldl
(lambda (b r)
(if (not r) (brick-search b id) r))
#f
(bricks-roots b)))
;; look for the brick which is the parent of the supplied one
(define (bricks-search-for-parent b id)
(foldl
(lambda (b r)
(if (not r) (brick-search-for-parent b id) r))
#f
(bricks-roots b)))
;; find out which root a brick belongs to
(define (bricks-root-search b id)
(foldl
(lambda (root r)
(if (and (not r) (brick-search root id))
root r))
#f
(bricks-roots b)))
(define (bricks-mouse-down b)
(and (mouse-button 1) (not (bricks-button b))))
(define (bricks-mouse-up b)
(and (not (mouse-button 1)) (bricks-button b)))
(define (bricks-key-pressed? b key)
(in-list? key (bricks-keys b)))
(define (keys-contains-enter? keys)
(foldl
(lambda (key r)
(if (and (not r) (eq? (char->integer key) 13)) ; return
#t r))
#f
keys))
(define (bricks-type-into b bx keys-pressed)
;; modify the brick text based on the keys pressed
(foldl
(lambda (key r)
(if (char? key)
(cond
((eq? (char->integer key) 8) ; delete (128 on mac)
(if (> (string-length (brick-text r)) 0)
(brick-modify-text
(lambda (t)
(substring
t 0 (- (string-length t) 1)))
r) r))
(else
(brick-modify-text
(lambda (t)
(string-append t (string key)))
r)))
r))
bx
keys-pressed))
(define (bricks-do-keys b pos)
;; get keys pressed since last update
(let ((keys-pressed
(filter
(lambda (key)
(not (in-list? key (bricks-keys b))))
(keys-down))))
(bricks-modify-keys
(lambda (k) (keys-down))
;; dispatch