565 lines
21 KiB
Scheme
565 lines
21 KiB
Scheme
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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(require scheme/class)
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(require mzlib/string)
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(osc-destination "osc.udp://127.0.0.255:4001")
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(osc-source "4002")
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; pixel primitive things for getting connection points
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; converts a 2D vector into an angle, with some dodgy dave maths
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(define (2dvec->angle x y)
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(let ((q (/ 3.141 2)))
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(when (zero? y) (set! y 0.0001))
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(cond
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((>= y 0)
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(fmod (* (+ q q q (- q (atan (/ x y)))) 57.2957795) 360))
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(else
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(fmod (* (+ q (- q (atan (/ x y)))) 57.2957795) 360)))))
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(define (i->pos i)
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(vector (modulo i (pixels-width))
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(quotient i (pixels-width)) 0))
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(define (pos->i pos)
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(+ (* (round (vy pos)) (pixels-width)) (round (vx pos))))
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(define (pixels-ref name pos)
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(pdata-ref name (pos->i pos)))
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(define (pixels-set! name pos s)
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(pdata-set! name (pos->i pos) s))
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(define (search i)
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(cond
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((eq? i (pdata-size)) i)
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((< (vr (pdata-ref "c" i)) 0.5) i)
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(else (search (+ i 1)))))
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(define (flood pos tc av)
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(define (rec-flood pos)
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(pixels-set! "c" pos (vector 1 0 1))
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(set! tc (+ tc 1))
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(set! av (vadd av pos))
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(when (< (vr (pixels-ref "c" (vadd pos (vector -1 0 0)))) 0.5)
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(rec-flood (vadd pos (vector -1 0 0))))
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(when (< (vr (pixels-ref "c" (vadd pos (vector 1 0 0)))) 0.5)
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(rec-flood (vadd pos (vector 1 0 0))))
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(when (< (vr (pixels-ref "c" (vadd pos (vector 0 1 0)))) 0.5)
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(rec-flood (vadd pos (vector 0 1 0))))
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(when (< (vr (pixels-ref "c" (vadd pos (vector 0 -1 0)))) 0.5)
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(rec-flood (vadd pos (vector 0 -1 0)))))
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(rec-flood pos)
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(vmul av (/ 1 tc)))
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(define (find-centroids pos l)
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(let ((i (search pos)))
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(cond ((eq? i (pdata-size)) l)
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(else
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(find-centroids i
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(cons (flood (i->pos i) 0 (vector 0 0 0)) l))))))
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(define (convert-to-pos l)
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(map
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(lambda (cp)
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(vector (- (- (/ (vx cp) (pixels-width)) 0.5))
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(/ (vy cp) (pixels-height)) 0))
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l))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; a cache for the connection points - should save this out
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(define connection-cache '())
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(define (get-connection-list id)
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(let ((ret (assoc id connection-cache)))
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(cond
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(ret (cdr ret))
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(else
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(let* ((tex (load-primitive (string-append "textures/comp-cp-" id ".png")))
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(connections (with-primitive tex (convert-to-pos (find-centroids 0 '())))))
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(set! connection-cache (cons (cons id connections) connection-cache))
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(destroy tex)
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connections)))))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; a plant component
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(define-struct component (root (col #:mutable) children))
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(define (build-component id col children)
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(cond
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((null? children)
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(let ((root (with-state
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(translate (vector 0 0.5 (* 0.1 (rndf))))
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(texture (load-texture (string-append "textures/comp-" id ".png")))
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(build-plane))))
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(make-component root col '())))
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(else
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(let* ((connection-list (get-connection-list id))
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(root (with-state
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(translate (vector 0 0.5 (* 0.01 (rndf))))
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(texture (load-texture (string-append "textures/comp-" id ".png")))
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(build-plane)))
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(comp (make-component root col
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(map
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(lambda (child connection)
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(with-state
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(parent root)
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(translate (vadd connection (vector 0 0 (* 0.01 (rndf)))))
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(rotate (vector 0 0 (2dvec->angle
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(vx connection) (- (vy connection) 0.5))))
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(rotate (vector 0 0 0))
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(build-component (car child) col (cadr child))))
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children
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connection-list))))
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(with-primitive root (apply-transform))
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comp))))
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(define (random-leaf component)
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(cond
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((null? (component-children component)) component)
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(else (random-leaf (choose (component-children component))))))
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(define (component-leaves component)
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(cond
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((null? (component-children component)) (list component))
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(else
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(foldl
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(lambda (child r)
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(append (component-leaves child) r))
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'()
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(component-children component)))))
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(define (component-print component)
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(printf "~a~n" (component-children component)))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; utils for building random plants
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(define (choose l)
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(list-ref l (random (length l))))
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(define (make-random-plant depth)
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(let ((num-children (cond ((> depth 2) 0)
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((< depth 1) (choose (list 2 3)))
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(else (choose (list 0 1 2 3))))))
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(cond
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((eq? num-children 0) (list (choose (list "11")) (list)))
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((eq? num-children 1) (list "1-1" (list (make-random-plant (+ depth 1)))))
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((eq? num-children 2) (list "2-1" (list (make-random-plant (+ depth 1))
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(make-random-plant (+ depth 1)))))
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((eq? num-children 3) (list "3-1" (list (make-random-plant (+ depth 1))
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(make-random-plant (+ depth 1)) (make-random-plant (+ depth 1)))))
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((eq? num-children 4) (list "4-1" (list (make-random-plant (+ depth 1))
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(make-random-plant (+ depth 1)) (make-random-plant (+ depth 1))
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(make-random-plant (+ depth 1)))))
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((eq? num-children 5) (list "5-1" (list (make-random-plant (+ depth 1))
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(make-random-plant (+ depth 1)) (make-random-plant (+ depth 1))
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(make-random-plant (+ depth 1)) (make-random-plant (+ depth 1))))))))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; the world things live in
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(define world%
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(class object%
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(init-field (size 1))
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(field
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(root 0)
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(entity-list '())
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(id 0)
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(pollen 0)
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(my-id 0))
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(define/public (init)
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(set! pollen (with-state
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(translate (vector 0 0 0.2))
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(texture (load-texture "textures/pollen.png"))
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(build-particles 1000)))
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(with-primitive pollen
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(pdata-map!
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(lambda (p)
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(vmul (vector (crndf) (crndf) (+ 0.2 (* (rndf) 0.01))) 10))
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"p")
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(pdata-map!
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(lambda (c)
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(vector (rndf) (rndf) (rndf) 0.5))
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"c")
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(pdata-map!
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(lambda (c)
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(let ((s (* 0.2 (grndf))))
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(vector s s 1)))
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"s"))
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#;(set! root (with-state
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(rotate (vector 90 0 0))
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(scale 100)
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(build-plane)))
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(with-state
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; (parent root)
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(with-state
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(colour (vector 0.5 1 0.5))
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(scale (vector 20 13 1))
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(translate (vector 0 0.2 0))
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(rotate (vector 0 0 180))
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; (texture (load-texture "textures/hills.png"))
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(hint-unlit)
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(build-plane))
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#;(with-state
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(scale (vector 14 15 1))
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(translate (vector 0 0.3 4.5))
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(rotate (vector 0 0 180))
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(texture (load-texture "textures/fg.png"))
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(hint-unlit)
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(build-plane))))
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(define/public (get-entity-list)
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entity-list)
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(define/public (get-my-id)
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my-id)
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(define/public (make-my-plant)
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(let* ((pos (vector (* (crndf) 5) 2 0.1))
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(col (hsv->rgb (vector (rndf) 0.8 1)))
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(desc (list (make-random-plant 0))))
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(set! my-id (length entity-list))
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(set-entity my-id (make-object plant% pos col desc))))
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(define/public (get-entity id)
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(foldl
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(lambda (entity ret)
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(if (eq? (send entity get-id) id)
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entity
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ret))
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#f
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entity-list))
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(define/public (choose)
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(list-ref entity-list (random (length entity-list))))
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(define/public (set-entity id entity)
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; if it already exists, destroy it
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; (do we want to do this all the time?)
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(when (get-entity id)
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(destroy-entity id))
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(send entity set-id! id)
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(set! entity-list (cons entity entity-list)))
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(define/public (destroy-entity id)
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(set! entity-list
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(filter
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(lambda (entity)
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(cond ((eq? (send entity get-id) id)
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(send entity destroy-me)
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#f)
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(else #t)))
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entity-list)))
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(define/public (update network)
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(with-primitive pollen
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(animate-pollen))
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; update my plant with player input
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(when (get-entity my-id)
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(send (get-entity my-id) player-update this network))
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(for-each
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(lambda (entity)
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(send entity update this))
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entity-list))
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; pollen stuff
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(define (animate-pollen)
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(pdata-map!
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(lambda (p)
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(let* ((pp (vmul p 0.5))
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(v (vector (- (noise (vx pp) (vy pp) (time)) 0.5)
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(- (noise (vx pp) (+ (vy pp) 112.3) (time)) 0.5) 0)))
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(vadd (vadd p (vmul v 0.2))
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(vmul (vector (crndf) (crndf) 0) 0.01))))
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"p"))
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(define (cirndvec)
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(let ((o (srndvec)))
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(vector (vx o) (vy o) 0)))
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(define/public (puff-pollen pos col size np)
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(with-primitive pollen
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(for ((i (in-range 0 np)))
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(let ((c (random (pdata-size)))
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(cc (vmul col 1)))
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(pdata-set! "p" c (vadd (vmul (cirndvec) size)
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(vadd pos (vector 0 0 (+ 0.2 (* (rndf) 0.01))))))
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(pdata-set! "c" c (vector (vx cc) (vy cc) (vz cc) 0.5))))))
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(define/public (suck-pollen pos size)
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(with-primitive pollen
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(pdata-index-fold
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(lambda (i p c r)
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(cond ((< (vdist pos p) (/ size 10))
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(pdata-set! "p" i (vector -1000 0 0))
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(cons c r))
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((< (vdist pos p) size)
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(pdata-set! "p" i (vadd p
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(vmul (vnormalise (vsub pos p)) 0.1)))
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r)
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(else r)))
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'()
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"p" "c")))
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(super-new)
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(init)))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; the entity base class
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(define entity%
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(class object%
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(init-field (id 0))
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(define/public (get-id)
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id)
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(define/public (set-id! s)
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(set! id s))
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(super-new)))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; finally, a plant...
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(define plant%
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(class entity%
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(init-field
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(pos (vector 0 0 0))
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(col (vector 1 1 1))
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(plant-desc '())
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(flower-list '())
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(current-flower 0))
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(field
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(root-component 0)
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(spray-t 0))
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(define/public (get-pos)
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pos)
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(define/public (get-col)
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col)
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(define/public (get-desc)
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plant-desc)
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(define/public (init)
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(with-state
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;(parent (send world get-root))
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(colour col)
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(hint-unlit)
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(translate pos)
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(printf "building from:~a~n" plant-desc)
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(set! root-component (build-component "1-1" col plant-desc))
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(set! flower-list (component-leaves root-component))))
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(define/public (destroy-me)
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(destroy (component-root root-component)))
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(define/public (player-update world network)
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(when (key-special-pressed 100)
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(set! current-flower (modulo (+ current-flower 1) (length flower-list))))
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(when (key-special-pressed 102)
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(set! current-flower (modulo (- current-flower 1) (length flower-list))))
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; bit odd, have to go through network to tell other clients to
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; spray, and need to get the id of the player plant from the world...
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(when (key-special-pressed 101)
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(send network spray world (send world get-my-id) current-flower 0))
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(let ((flower (list-ref flower-list current-flower)))
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(with-primitive (component-root flower)
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(when (key-special-pressed 103)
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(rotate (vector 0 0 20))
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(let ((colours (suck world current-flower)))
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(when (not (zero? (length colours)))
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(let
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((av-col (vdiv (foldl (lambda (c1 c2)
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(vadd c1 c2)) (vector 0 0 0) colours) (length colours))))
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(set-component-col! flower
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(vadd (vmul (component-col flower) 0.9)
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(vmul av-col 0.1)))
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(send network flower-update world (send world get-my-id)
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current-flower (component-col flower))))))
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(rotate (vector 0 0 2)))))
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(define/public (flower-update flower col)
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(let ((flower (list-ref flower-list flower)))
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(set-component-col! flower col)
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(with-primitive (component-root flower)
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(colour (component-col flower)))))
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(define/public (update world)
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0
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#;(with-primitive root
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(colour col)
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(when (> spray-t 1)
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(set! spray-t (* spray-t 0.9))
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(colour spray-t))))
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(define/public (spray world flower type)
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(let ((pos (vtransform (vector 0 0 0)
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(with-primitive (component-root (list-ref flower-list flower))
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(get-global-transform)))))
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(send world puff-pollen pos (component-col (list-ref flower-list flower))
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0.2 1)))
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(define/public (suck world flower)
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(let ((pos (vtransform (vector 0 0 0)
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(with-primitive (component-root (list-ref flower-list flower))
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(get-global-transform)))))
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(send world suck-pollen pos 5)))
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(super-new)
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(init)))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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(define network-dispatch%
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(class object%
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(field
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(waiting #f)
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(wait-till 0))
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(define (stringify l)
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(cond
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((null? l) l)
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((symbol? (car l))
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(cons (symbol->string (car l))
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(stringify (cdr l))))
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((number? (car l))
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(cons (number->string (car l))
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(stringify (cdr l))))
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((vector? (car l))
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(cons (car l)
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(stringify (cdr l))))
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((list? (car l))
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(cons (stringify (car l)) (stringify (cdr l))))
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(else (error "oops"))))
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(define (dispatch world)
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(cond
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((osc-msg "/join-game")
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(printf "a new plant has joined the game~n")
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; send a plant update for the new player
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(update-plant world) )
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((osc-msg "/plant")
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(printf "add plant message recieved : ~a~n" (osc 0))
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(send world set-entity (osc 0) (make-object plant%
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(vector (osc 1) (osc 2) (osc 3))
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(vector (osc 4) (osc 5) (osc 6))
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(stringify (eval-string (osc 7))))))
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((osc-msg "/flower")
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;(printf "flower change msg recieved~n")
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(send (send world get-entity (osc 0)) flower-update
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(osc 1) (vector (osc 2) (osc 3) (osc 4))))
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((osc-msg "/destroy-plant")
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(printf "destroy plant message recieved...~n")
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(send world destroy-entity (osc 0)))
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((osc-msg "/spray")
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; (printf "destroy plant message recieved...~n")
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(let ((e (send world get-entity (osc 0))))
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; it's possible to get spray events before the
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; plant has been created...
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(when e
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(send e spray world (osc 1) (osc 2)))))))
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(define/public (join-game world)
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(printf "sending join-game~n")
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(osc-send "/join-game" "" (list))
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(set! wait-till (+ (time) 2))
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(set! waiting #t))
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(define/public (update-plant world)
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(printf "sending /plant...~n")
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(let* ((my-plant (send world get-entity (send world get-my-id)))
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(pos (send my-plant get-pos))
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(col (send my-plant get-col))
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(desc-str (format "'~a" (send my-plant get-desc))))
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(osc-send "/plant" "iffffffs" (list (send world get-my-id)
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(vx pos) (vy pos) (vz pos)
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(vx col) (vy col) (vz col)
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desc-str))))
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(define/public (destroy-plant world id)
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(printf "sending destroy plant...~n")
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(osc-send "/destroy-plant" "i" (list id))
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(send world destroy-entity id))
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|
|
|
(define/public (spray world id flower type)
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(osc-send "/spray" "iii" (list id flower type))
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(send (send world get-entity id) spray world flower type))
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|
|
|
(define/public (flower-update world id flower col)
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(osc-send "/flower" "iifff" (list id flower (vx col) (vy col) (vz col)))
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|
(send (send world get-entity id) flower-update flower col))
|
|
|
|
|
|
(define/public (update world)
|
|
; wait for all other players to register their plants
|
|
(when (and waiting (< wait-till (time)))
|
|
(set! waiting #f)
|
|
(send world make-my-plant)
|
|
(update-plant world))
|
|
(dispatch world))
|
|
|
|
|
|
(super-new)))
|
|
|
|
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
(clear)
|
|
(clear-colour (vector 0.5 0.5 1))
|
|
(hint-depth-sort)
|
|
(set-camera-transform (mtranslate (vector 0 -5 -10)))
|
|
|
|
(define w (make-object world% 1))
|
|
(define n (make-object network-dispatch%))
|
|
|
|
(send n join-game w)
|
|
|
|
(define (animate)
|
|
(send n update w)
|
|
(send w update n))
|
|
|
|
(every-frame (animate))
|
|
|
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