groworld/plant-eyes/view.ss
2009-07-30 16:03:21 +01:00

770 lines
27 KiB
Scheme

#lang scheme/base
(require scheme/class fluxus-016/fluxus "message.ss" "list-utils.ss")
(provide (all-defined-out))
; the fluxus code to make things look the way they do
(define debug-messages #f) ; prints out all the messages sent to the renderer
(define audio-on #f)
(define (ornament-colour) (vector 0.5 1 0.4))
(define (pickup-colour) (vector 1 1 1))
(define (earth-colour) (vector 0.2 0.1 0))
(define (stones-colour) (vmul (earth-colour) (+ 0.5 (* (rndf) 0.5))))
(define wire-mode #f)
(define fog-col (earth-colour))
(define fog-strength 0.001)
(define max-ornaments 2) ; per twig
(define default-grow-speed 0.5)
(when audio-on (oa-start)) ;; start openAL audio
(define stones-list (let* ((f (open-input-file "stones.txt"))
(o (read f)))
(close-input-port f)
o))
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(define ornament-view%
(class object%
(init-field
(pos (vector 0 0 0))
(property 'none)
(time 0))
(field
(rot (vmul (rndvec) 360))
(root (with-state
(translate pos)
(rotate rot)
(scale 0.01)
(cond
((eq? property 'wiggle)
; (opacity 1)
(hint-depth-sort)
(colour (vector 0.5 0.0 0.0))
(load-primitive "meshes/wiggle.obj"))
((eq? property 'leaf)
(colour (vector 0.8 1 0.6))
(texture (load-texture "textures/leaf2.png"))
(load-primitive "meshes/leaf.obj"))
(else (error ""))))))
(define/public (update t d)
(when (< time 1)
(with-primitive root
(identity)
(translate pos)
(rotate rot)
(scale (* 0.2 time)))
(set! time (+ time (* 0.1 d)))))
(super-new)))
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(define pickup-view%
(class object%
(init-field
(id -1)
(type 'none)
(pos (vector 0 0 0)))
(field
(rot (vmul (rndvec) 360))
(root (with-state
(translate pos)
(rotate rot)
(colour (pickup-colour))
(scale 0.3)
(texture
(cond
((eq? type 'wiggle) (load-texture "textures/wiggle.png"))
((eq? type 'leaf) (load-texture "textures/leaf.png"))
((eq? type 'curly) (load-texture "textures/curl.png"))))
(load-primitive "meshes/pickup.obj")))
(from pos)
(destination (vector 0 0 0))
(speed 0.05)
(t -1))
(define/public (pick-up)
(destroy root))
(define/public (move-to s)
(set! t 0)
(set! from pos)
(set! destination s))
(define/public (update t d)
(with-primitive root
(rotate (vector (* d 10) 0 0)))
#;(when (and (>= t 0) (< t 1))
(set! pos (vadd pos (vmul (vsub destination from) speed)))
(with-primitive root
(identity)
(translate pos)
(rotate rot))
(set! t (+ t speed))))
(super-new)))
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(define twig-view%
(class object%
(init-field
(id 0)
(pos (vector 0 0 0))
(type 'none)
(dir (vector 0 1 0))
(radius 1)
(num-points 0))
(field
(index 0)
(parent-twig-id -1)
(child-twig-ids '())
(ornaments '())
(col (vector 1 1 1))
(tex "")
(markers '())
(grow-t 999)
(marker-destroy-t 0)
(grow-speed default-grow-speed))
(define/public (get-id)
id)
(define/public (get-dir)
dir)
(define/public (set-col! s)
(set! col s))
(define/public (set-tex! s)
(set! tex s))
(define/public (build)
0)
(define/public (get-num-points)
index)
(define/public (set-pos! s)
(set! pos s))
(define/public (get-child-twig-ids)
child-twig-ids)
(define/public (get-root)
(error "need to overide this"))
(define/public (destroy-twig)
(destroy (get-root)))
(define/public (set-parent-twig-id s)
(set! parent-twig-id s))
(define/public (get-point point-index)
(error "need to overide this"))
(define/public (get-width point-index)
(error "need to overide this"))
(define/public (add-child-twig-id twig-id)
(set! child-twig-ids (cons twig-id child-twig-ids)))
(define/public (start-growing)
(set! grow-t 0)
(set! markers (cons (build-locator) markers)))
(define/pubment (add-point point width)
(when audio-on (let ((growing-noise (oa-load-sample (fullpath "snd/event01.wav"))))
(oa-play growing-noise (vector 0 0 0) (rndf) 0.3)))
(set! markers (append markers (list (with-state
(parent (get-root))
(translate point)
(scale 0.2)
(shader "shaders/toon.vert.glsl" "shaders/toon.frag.glsl")
(colour col)
(build-sphere 10 10)))))
(inner (void) add-point point width))
(define/public (add-ornament point-index property)
(when (< (length ornaments) max-ornaments)
(with-state
(parent (get-root))
; todo - different ornament-view objects per property needed?
; todo - delete existing ornaments here
(set! ornaments (cons (list point-index
(make-object ornament-view%
(get-point point-index)
property))
ornaments)))))
(define/pubment (update t d)
(for-each
(lambda (ornament)
(send (cadr ornament) update t d))
ornaments)
(inner (void) update t d)
(when (< grow-t num-points)
(set! grow-t (+ grow-t (* d grow-speed)))
(when (> 0 (- marker-destroy-t grow-t))
; soundtodo: marker gobble
(set! marker-destroy-t (+ 1 marker-destroy-t))
(destroy (car markers))
(set! markers (cdr markers)))))
(super-new)))
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(define ribbon-twig-view%
(class twig-view%
(inherit-field pos radius num-points index col tex)
(field
(root 0))
(define/override (build)
(set! root (let ((p (with-state
(translate pos)
(colour col)
(texture (load-texture tex))
(build-ribbon num-points))))
(with-primitive p
(pdata-map!
(lambda (w)
0)
"w")
(pdata-set! "w" 0 radius))
p)))
(define/override (get-root)
root)
(define/override (get-point point-index)
(with-primitive root
(pdata-ref "p" point-index)))
(define/override (get-width point-index)
(with-primitive root
(pdata-ref "w" point-index)))
(define/augment (add-point point width)
(with-primitive root
(pdata-index-map! ; set all the remaining points to the end
(lambda (i p) ; in order to hide them
(if (< i index)
p
point))
"p")
(pdata-index-map! ; do a similar thing with the width
(lambda (i w)
(if (< i (+ index 1))
w
width))
"w"))
(set! index (+ index 1)))
(define/augment (update t d)
0)
(super-new)))
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(define extruded-twig-view%
(class twig-view%
(inherit-field index radius num-points pos dir col tex grow-t)
(field
(profile '())
(path '())
(root 0)
(widths '()))
(define/override (build)
(set! profile (build-circle-profile 12 1))
(set! path (build-list num-points (lambda (_) (vector 0 0 0))))
(set! widths (build-list num-points (lambda (_) 1)))
(set! root (let ((p (with-state
(backfacecull 0)
(when wire-mode
(hint-none)
(hint-wire))
(shader "shaders/toon.vert.glsl" "shaders/toon.frag.glsl")
(texture (load-texture tex))
(opacity 0.6)
(colour col)
#;(colour (vector 1 1 1))
#;(texture (load-texture "textures/root.png"))
(build-partial-extrusion profile path 3))))
p)))
(define/override (get-root)
root)
(define/override (get-point point-index)
(list-ref path point-index))
(define/override (get-width point-index)
(list-ref widths point-index))
(define (list-set l c s)
(cond ((null? l) '())
((zero? c) (cons s (list-set (cdr l) (- c 1) s)))
(else (cons (car l) (list-set (cdr l) (- c 1) s)))))
(define/augment (add-point point width)
(set! path (list-set path index point))
(set! widths (list-set widths index width))
(set! index (+ index 1)))
(define/augment (update t d)
(when (< grow-t (length path))
(with-primitive root
(partial-extrude grow-t profile path widths (vector 1 0 0) 0.05))))
(define/public (get-end-pos)
(list-ref path (if (zero? index) 0 (- index 1)))
#;(with-primitive root (pdata-ref "p" (- (* index (length profile)) 1))))
(super-new)))
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(define plant-view%
(class object%
(init-field
(id "none")
(pos (vector 0 0 0))
(size 0)
(col (vector 1 1 1))
(tex "ooo"))
(field
(twigs '()) ; a assoc list map between ids and twigs stored flat here,
; for fast access, but prims heirachically in the scenegraph
(root (with-state
(translate pos)
(build-locator)))
(seed (with-state
(parent root)
(shader "shaders/toon.vert.glsl" "shaders/toon.frag.glsl")
(texture (load-texture tex))
(backfacecull 0)
(opacity 0.6)
(colour col)
(hint-depth-sort)
(scale (* 0.12 size))
(when wire-mode
(hint-none)
(hint-wire))
;(hint-unlit)
(load-primitive "meshes/seed.obj")))
(nutrients (let ((p (with-state
(hint-depth-sort)
(hint-unlit)
(parent root)
(blend-mode 'src-alpha 'one)
(texture (load-texture "textures/star.png"))
(build-particles 100))))
(with-primitive p
(pdata-add "twig" "f")
(pdata-add "point" "f")
(pdata-add "offset" "v")
(pdata-add "speed" "f")
(pdata-map!
(lambda (point)
0)
"point")
(pdata-map!
(lambda (point)
(* 0.12 (+ 0.1 (rndf))))
"speed")
(pdata-map!
(lambda (offset)
(vector 0 0 0))
"offset")
(pdata-map!
(lambda (c)
(vector 0 (rndf) (rndf)))
"c")
(pdata-map!
(lambda (p)
(vmul (vadd (crndvec) (vector 0 -1 0)) 900))
"p")
(pdata-map!
(lambda (s)
(vmul (vector 1 1 1) (+ 0.1 (rndf))))
"s"))
p)))
(define/public (get-id)
id)
(define/public (get-col)
col)
(define/public (get-twig twig-id)
(let ((l (assq twig-id twigs)))
(if l
(cadr (assq twig-id twigs))
#f)))
(define/public (destroy-branch-twig twig-id)
(for-each
(lambda (twig-id)
(destroy-branch-twig twig-id))
(send (get-twig twig-id) get-child-twig-ids))
(send (get-twig twig-id) destroy-twig)
(set! twigs (assoc-remove twig-id twigs)))
(define/public (destroy-plant)
(destroy root)
(for-each
(lambda (twig)
(destroy-branch-twig (car twig)))
twigs))
(define/public (add-twig parent-twig-id point-index twig)
(let ((ptwig (get-twig parent-twig-id)))
(when ptwig
(send twig set-pos! (send ptwig get-point point-index)) ; attach to parent twig
; tell the twigs about this relationship (might turn out to be overkill)
(send ptwig add-child-twig-id (send twig get-id))
(send twig set-parent-twig-id parent-twig-id))
(send twig set-col! col)
(send twig set-tex! tex)
(send twig build)
(with-primitive (send twig get-root)
(parent root))
(set! twigs (cons (list (send twig get-id) twig) twigs))))
(define/public (add-twig-point twig-id point width)
(send (get-twig twig-id) add-point point width))
(define/public (start-twig-growing twig-id)
(send (get-twig twig-id) start-growing))
(define/public (grow-seed amount)
(with-primitive seed (scale amount)))
(define/public (add-ornament twig-id point-index property)
(send (get-twig twig-id) add-ornament point-index property))
(define/public (update-nutrients t d)
(when (not (null? twigs))
(with-primitive nutrients
(pdata-index-map!
(lambda (i p twig-id point offset speed)
(let* ((twig-id (inexact->exact twig-id))
(twig (get-twig twig-id))
(point (inexact->exact point)))
(cond
((or (< point 1) (not twig))
(let* ((new-twig (choose twigs))
(num-points (send (cadr new-twig) get-num-points))
(new-point (if (zero? num-points) 0 (random num-points))))
(pdata-set! "twig" i (car new-twig))
(pdata-set! "point" i new-point)
(pdata-set! "offset" i (vmix offset (vmul (srndvec) (send (cadr new-twig) get-width new-point)) 0.2))
(send (cadr new-twig) get-point new-point)))
((< (vdist (vadd (send twig get-point point) offset) p) 0.1)
(pdata-set! "point" i (- point 1))
(vadd p (vmul (vnormalise (vsub (vadd (send twig get-point (- point 1)) offset) p)) speed)))
(else
(vadd p (vmul (vnormalise (vsub (vadd (send twig get-point point) offset) p)) speed))))))
"p" "twig" "point" "offset" "speed"))))
(define/public (update t d)
(update-nutrients t d)
(with-primitive seed
(scale (+ 1 (* 0.001 (sin (* 2 t))))))
(for-each
(lambda (twig)
(send (cadr twig) update t d))
twigs))
(super-new)))
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(define (build-env-box top bottom left right front back lower)
(let ((p (build-locator)))
(with-state
(parent p)
(hint-unlit)
(let ((t (with-state
(texture (load-texture top))
(translate (vector 0 0.5 0))
(rotate (vector 90 0 0))
(build-plane))))
(when lower (with-primitive t
(pdata-map!
(lambda (t)
(vmul t 10))
"t"))))
(with-state
(texture (load-texture left))
(translate (vector 0 0 -0.5))
(rotate (vector 0 0 0))
(build-plane))
(with-state
(texture (load-texture back))
(translate (vector 0.5 0 0))
(rotate (vector 0 90 0))
(build-plane))
(with-state
(texture (load-texture right))
(translate (vector 0 0 0.5))
(rotate (vector 0 0 0))
(build-plane))
(with-state
(texture (load-texture front))
(translate (vector -0.5 0 0))
(rotate (vector 0 90 0))
(build-plane))
(when lower
(with-state
(texture (load-texture bottom))
(translate (vector 0 -0.5 0))
(rotate (vector 90 0 0))
(build-plane)))
p)))
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(define game-view%
(class object%
(field
(plants '()) ; map of ids -> plants
(pickups '()) ; map of ids -> pickups
(camera-dist 1)
(env-root (with-state (scale 1000) (build-locator)))
(root-camera-t 0)
#;(upper-env (with-state
(parent env-root)
(hint-depth-sort)
(colour 2)
(translate (vector 0 0.28 0))
(build-env-box "textures/top.png" "textures/bottom-trans.png"
"textures/left.png" "textures/right.png"
"textures/front.png" "textures/back.png")))
#;(lower-env (with-state
(parent env-root)
(hint-depth-sort)
(translate (vector 0 -0.22001 0))
(build-env-box "textures/bottom-trans.png" "textures/bottom.png"
"textures/sleft.png" "textures/sright.png"
"textures/sfront.png" "textures/sback.png")))
(upper-env (with-state
(parent env-root)
;(hint-depth-sort)
(hint-unlit)
(translate (vector 0 0.28 0))
(build-env-box "textures/sky-top.png" "textures/floor.png"
"textures/sky-side.png" "textures/sky-side.png"
"textures/sky-side.png" "textures/sky-side.png" #f)))
(lower-env (with-state
(parent env-root)
;(hint-depth-sort)
(hint-unlit)
(colour (earth-colour))
(translate (vector 0 -0.22001 0))
(build-env-box "textures/floor.png" "textures/earth-bottom.png"
"textures/earth-side.png" "textures/earth-side.png"
"textures/earth-side.png" "textures/earth-side.png" #t)))
(stones '()))
(define/public (setup)
(let ((l (make-light 'point 'free)))
(light-diffuse 0 (vector 0.5 0.5 0.5))
(light-diffuse l (vector 1 1 1))
(light-position l (vector 10 50 -4)))
(clear-colour fog-col)
(clip 0.5 10000)
(fog fog-col fog-strength 1 100)
(set! stones
(map
(lambda (stone)
(let ((p (with-state
(hint-frustum-cull)
(shader "shaders/toon.vert.glsl" "shaders/toon.frag.glsl")
(colour (stones-colour))
(translate (list-ref stone 1))
(scale (list-ref stone 2))
(rotate (list-ref stone 3))
(texture (load-texture "textures/quartz.png"))
(load-primitive (list-ref stone 0)))))
(with-primitive p (apply-transform) (recalc-bb)) ; apply the transform to speed up the ray tracing, don't have to tranform the ray into object space
p))
stones-list)))
(define/public (get-stones)
stones)
(define/public (add-plant plant)
(destroy-plant (send plant get-id)) ; just in case
(set! plants (cons (list (send plant get-id) plant) plants)))
(define/public (get-plant plant-id)
(let ((p (assoc plant-id plants)))
(if (not p) #f (cadr p))))
(define/public (destroy-plant plant-id)
(let ((p (get-plant plant-id)))
(when p (send p destroy-plant)
(set! plants (assoc-remove plant-id plants)))))
(define/public (destroy-branch-twig plant-id twig-id)
(send (get-plant plant-id) destroy-branch-twig twig-id))
(define/public (add-twig plant-id parent-twig-id point-index twig)
(send (get-plant plant-id) add-twig parent-twig-id point-index twig))
(define/public (grow-seed plant-id amount)
(send (get-plant plant-id) grow-seed amount))
(define/public (get-pickup pickup-id)
(cadr (assq pickup-id pickups)))
(define/public (add-pickup pickup-id type pos)
(set! pickups (cons (list pickup-id (make-object pickup-view% pickup-id type pos)) pickups)))
(define/public (pick-up-pickup pickup-id)
(send (get-pickup pickup-id) pick-up)
(set! pickups (assoc-remove pickup-id pickups)))
(define/public (add-ornament plant-id twig-id point-index property)
(send (get-plant plant-id) add-ornament twig-id point-index property))
(define/public (update t d messages)
(for-each
(lambda (plant)
(send (cadr plant) update t d))
plants)
(for-each
(lambda (pickup)
(send (cadr pickup) update t d))
pickups)
(when debug-messages
(for-each
(lambda (msg)
(send msg print))
messages))
(for-each
(lambda (msg)
(cond
((eq? (send msg get-name) 'player-plant) ; not really any difference now
(add-plant (make-object plant-view%
(send msg get-data 'plant-id)
(send msg get-data 'pos)
(send msg get-data 'size)
(send msg get-data 'col)
(send msg get-data 'tex))))
((eq? (send msg get-name) 'new-plant)
(printf "adding new plant to view ~a~n" (send msg get-data 'plant-id))
(add-plant (make-object plant-view%
(send msg get-data 'plant-id)
(send msg get-data 'pos)
(send msg get-data 'size)
(send msg get-data 'col)
(send msg get-data 'tex))))
((eq? (send msg get-name) 'grow-seed)
(grow-seed (send msg get-data 'plant-id)
(send msg get-data 'amount)))
((eq? (send msg get-name) 'destroy-branch-twig)
(destroy-branch-twig (send msg get-data 'plant-id) (send msg get-data 'twig-id)))
((eq? (send msg get-name) 'new-twig)
(add-twig (send msg get-data 'plant-id)
(send msg get-data 'parent-twig-id)
(send msg get-data 'point-index)
(cond
((eq? (send msg get-data 'render-type) 'ribbon)
(make-object ribbon-twig-view%
(send msg get-data 'twig-id)
(vector 0 0 0) ; will be filled in by add-twig
(send msg get-data 'type)
(send msg get-data 'dir)
(send msg get-data 'width)
(send msg get-data 'num-points)))
((eq? (send msg get-data 'render-type) 'extruded)
(make-object extruded-twig-view%
(send msg get-data 'twig-id)
(vector 0 0 0) ; will be filled in by add-twig
(send msg get-data 'type)
(send msg get-data 'dir)
(send msg get-data 'width)
(send msg get-data 'num-points))))))
((eq? (send msg get-name) 'add-twig-point)
(send (get-plant (send msg get-data 'plant-id)) add-twig-point
(send msg get-data 'twig-id)
(send msg get-data 'point)
(send msg get-data 'width)))
((eq? (send msg get-name) 'start-growing)
(send (get-plant (send msg get-data 'plant-id)) start-twig-growing
(send msg get-data 'twig-id)))
((eq? (send msg get-name) 'new-pickup)
(add-pickup
(send msg get-data 'pickup-id)
(send msg get-data 'type)
(send msg get-data 'pos)))
((eq? (send msg get-name) 'pick-up-pickup)
(pick-up-pickup
(send msg get-data 'pickup-id)))
((eq? (send msg get-name) 'new-ornament)
(add-ornament
(send msg get-data 'plant-id)
(send msg get-data 'twig-id)
(send msg get-data 'point-index)
(send msg get-data 'property)))
))
messages))
(super-new)))