1333 lines
45 KiB
Scheme
1333 lines
45 KiB
Scheme
#lang scheme/base
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(require fluxus-016/drflux)
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(require scheme/class)
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; p l a n t e y e s
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; notes:
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;
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; * keeping with a view/logic separation, although this is quite different to
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; the hexagon game. the main advantages:
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; - just a divide and conquer strategy for staying sane
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; - able to debug the logic without the view, or vice versa
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; - the logic can be ticked at a lower frequency - or even different
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; parts at different rates, whereas the view needs ticking every frame
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;
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; * need to try to keep all the intensive 'every thing vs every thing' checking
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; in the logic side, where it can be done over many frames (i'm thinking the
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; lags involved with things like nutrients getting absorbed may not matter
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; too much in this game)
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;
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; * using a message passing system to formalise the passing of information on
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; the logic side. this makes it possible to have objects sending messages
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; at any point, and have them automatically collected up and dispatched to
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; the view
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;
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; * line segments are computed in the logic side, and can be represented any
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; way by the view - maybe the players plant will be geometry and everyone
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; elses will be ribbons (stoopid LOD)
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;
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; * in the same way, the line segments can be created in any way by the logic
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; side - eg. lsystem, or different methods per plant (or per twig even)
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(define debug-messages #f) ; prints out all the messages sent to the renderer
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(define logic-tick 1) ; time between logic updates
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(define branch-probability 6) ; as in one in branch-probability chance
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(define branch-width-reduction 0.5)
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(define twig-jitter 0.1)
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(define branch-jitter 0.5)
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(define max-twig-points 20)
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(define start-twig-dist 0.3)
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(define start-twig-width 0.3)
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(define default-max-twigs 10)
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(define default-scale-factor 1.05)
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(define default-grow-speed 1)
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(define root-camera-time (* max-twig-points logic-tick))
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(define num-pickups 10)
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(define pickup-dist-radius 20)
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(define pickup-size 1)
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(define max-ornaments 2) ; per twig
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(define ornament-grow-probability 4)
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(define curl-amount 40)
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(define (ornament-colour) (vector 0.5 1 0.4))
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(define (pickup-colour) (vector 1 1 1))
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(define (assoc-remove k l)
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(cond
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((null? l) '())
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((eq? (car (car l)) k)
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(assoc-remove k (cdr l)))
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(else
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(cons (car l) (assoc-remove k (cdr l))))))
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(define (choose l)
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(list-ref l (random (length l))))
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(define (list-contains k l)
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(cond
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((null? l) #f)
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((eq? (car l) k) #t)
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(else (list-contains k (cdr l)))))
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(oa-start) ;; start openAL audio
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; a message for sending betwixt logic and render side
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(define message%
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(class object%
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(init-field
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(name 'none) ; a symbol denoting the type of the message
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(data '())) ; should be an assoc list map of name to values, eg:
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; '((name "archibold") (age 53))
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; shouldn't put logic objects in here - 'raw' data only
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(define/public (get-name)
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name)
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(define/public (get-data arg-name)
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(cadr (assoc arg-name data)))
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(define/public (print)
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(printf "msg: ~a ~a~n" name data))
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(super-new)))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; the base class logic object - all logic side objects can
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; send messages to the render side at any time by calling add-message
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; this takes care of the propagation of information. (not just oo fetish, I hope)
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(define game-logic-object%
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(class object%
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(field
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(messages '())
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(children '()))
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(define/public (send-message name data)
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(set! messages (cons (make-object message% name data) messages)))
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; convert a list of lists in to just a single list - needed to convert
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; the update lists into one big list of messages
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(define (flatten l)
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(cond
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((null? l) '())
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((list? (car l)) (append (flatten (car l)) (flatten (cdr l))))
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(else (cons (car l) (flatten (cdr l))))))
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(define/pubment (update) ; need to augement this if we have child logic objects,
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(let ((m messages)) ; and call update on them too.
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(set! messages '())
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(append
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m
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(flatten (inner '() update))))) ; the augmented method gets called here
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(super-new)))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; a twig, which can contain other twigs things.
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; (roots and shoots are both twigs)
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(define twig-logic%
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(class game-logic-object%
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(init-field
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(id #f) ; our id (for matching up with the renderer geometry)
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(plant #f) ; the plant we belong to
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(type 'root) ; or 'shoot
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(dir (vector 0 1 0)) ; the general direction we are pointing in
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(width 0) ; the width of this root
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(num-points max-twig-points) ; number of points in this twig
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(render-type 'extruded) ; the way to tell the view to render this twig
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(dist start-twig-dist)) ; distance between points
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(field
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(points '()) ; the 3d points for this twig
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(twigs '()) ; children are stored with the point number they are connected to.
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(ornaments '()) ; the things attached to this twig, an assoc list with point index
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(last-point (vector 0 0 0)) ; distance between points
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(branch #f) ; are we a main branch twig?
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(curl (vmul (crndvec) curl-amount))) ; the angles to turn each point, if curly
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(inherit send-message)
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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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(define/public (get-type)
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type)
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(define/public (get-dir)
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dir)
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(define/public (get-width)
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width)
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(define/public (get-num-points)
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num-points)
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(define/public (get-render-type)
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render-type)
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(define/public (set-branch! s)
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(set! branch s))
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(define/public (get-point point-index)
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(list-ref points point-index))
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(define/public (get-length)
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(length points))
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(define/public (get-end-pos)
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(if (not (null? points))
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(list-ref points (- (get-length) 1))
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#f))
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(define/public (scale a)
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(set! width (* width a))
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(set! dist (* dist a)))
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(define/public (grow ndir)
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(when (< (length points) num-points)
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(let ((new-point (if (zero? (length points))
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; first point should be at edge of the seed if we are a branch
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(if branch (vmul dir 1) (vector 0 0 0))
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(vadd last-point (vmul dir dist)))))
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(set! dir (vmix dir ndir 0.5))
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#;(cond (curly
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(set! dir (vtransform dir (mrotate curl)))
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(when (not branch)
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(set! curl (vmul curl 1.2))
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(set! dist (* dist 0.9))))
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(else
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(set! dir (vadd dir (vmul (srndvec) twig-jitter)))))
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(set! last-point new-point)
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(set! points (append points (list new-point)))
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(send-message 'twig-grow (list
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(list 'plant-id (send plant get-id))
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(list 'twig-id id)
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(list 'point new-point))))
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(when (and (> (length points) 1) (> num-points 1)
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(zero? (random branch-probability)))
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(add-twig (- (length points) 1)
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(make-object twig-logic% (send plant get-next-twig-id)
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plant
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type
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(vadd dir (vmul (srndvec) branch-jitter))
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(* width branch-width-reduction)
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(quotient num-points 2)
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render-type
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dist))))
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(for-each
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(lambda (twig)
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(send (cadr twig) grow ndir))
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twigs))
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(define/public (add-twig point-index twig)
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(send-message 'new-twig (list
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(list 'plant-id (send plant get-id))
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(list 'parent-twig-id id)
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(list 'point-index point-index)
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(list 'twig-id (send twig get-id))
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(list 'type (send twig get-type))
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(list 'dir (send twig get-dir))
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(list 'width (send twig get-width))
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(list 'num-points (send twig get-num-points))
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(list 'render-type (send twig get-render-type))
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))
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(set! twigs (cons (list point-index twig) twigs)))
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(define/public (get-twig point-index)
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(cadr (assq point-index twigs)))
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(define/public (get-random-twig)
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(if (or (null? twigs) (zero? (random 10)))
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this
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(send (cadr (choose twigs)) get-random-twig)))
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(define/public (add-ornament point-index ornament)
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; todo - check max ornaments
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(send-message 'new-ornament
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(list
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(list 'plant-id (send plant get-id))
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(list 'twig-id id)
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(list 'point-index point-index)
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(list 'property (send ornament get-property))))
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(set! ornaments (cons (list point-index ornament) ornaments)))
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(define/public (get-ornament point-index)
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(cadr (assq point-index ornaments)))
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; adds the ornament if it's close, and checks sub-twigs
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; returns true if it's succeded
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(define/public (check-pickup pickup)
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; check each point in our twig
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(let* ((i -1) (found (foldl
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(lambda (point found)
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(set! i (+ i 1))
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; if we havent found anything yet and it's intersecting
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(cond ((and (not found) (< (vdist point (send pickup get-pos))
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(+ width (send pickup get-size))))
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(send plant add-property (send pickup get-type))
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(send pickup pick-up) ; this will remove the pickup for us
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(send-message 'pick-up-pickup
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(list
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(list 'pickup-id (send pickup get-id))))
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#t)
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(else #f)))
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#f
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points)))
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; now check each sub-twig
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(if (not found)
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(foldl
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(lambda (twig found)
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(if (not found)
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(send (cadr twig) check-pickup pickup)
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#f))
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#f
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twigs)
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found)))
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(define/augment (update)
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(append
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(map
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(lambda (ornament)
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(send (cadr ornament) update))
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ornaments)
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(map
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(lambda (twig)
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(send (cadr twig) update))
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twigs)))
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(super-new)))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; abilities live on twigs, and can do things.
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; this is the base class for all abilities.
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(define ornament-logic%
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(class game-logic-object%
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(init-field
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(id -1)
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(property 'none)
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(plant #f) ; the plant we belong to
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(twig #f) ; the twig we are on
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(point-index -1)) ; the index to the point on our twig
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(field
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(pos (send twig get-point point-index))) ; figure out the position here
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(define/public (get-property)
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property)
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(define/public (get-pos)
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pos)
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(super-new)))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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; pickups map to abilities, and live out in space
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; this is the base class for all pickups.
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(define pickup-logic%
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(class game-logic-object%
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(init-field
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(id -1)
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(type 'none)
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(pos (vector 0 0 0)))
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(field
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(size pickup-size)
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(picked-up #f))
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(define/public (picked-up?)
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picked-up)
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(define/public (pick-up)
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(set! picked-up #t))
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(define/public (get-id)
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id)
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(define/public (get-type)
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type)
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(define/public (get-pos)
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pos)
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(define/public (get-size)
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size)
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(super-new)))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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(define plant-logic%
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(class game-logic-object%
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(init-field
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(id #f)
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(pos (vector 0 0 0)))
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(field
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(twigs '()) ; a assoc list map of ages to twigs
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(properties '()) ; a list of symbols - properties come from pickups
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(ornaments '()) ; map of ids to ornaments on the plant
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(size 5) ; the age of this plant
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(max-twigs default-max-twigs) ; the maximum twigs allowed at any time - oldest removed first
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(next-twig-id 0)
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(next-ornament-id 0)
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(grow-amount default-scale-factor))
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(inherit send-message)
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(define/public (get-id)
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id)
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(define/public (get-pos)
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pos)
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(define/public (grow dir)
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(for-each
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(lambda (twig)
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(send twig grow dir))
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twigs))
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(define/public (add-property name)
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(set! properties (cons name properties)))
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; we need to maintain our list of twig ids here, for this plant
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(define/public (get-next-twig-id)
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(let ((id next-twig-id))
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(set! next-twig-id (+ next-twig-id 1))
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next-twig-id))
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; we need to maintain our list of ornament ids here, for this plant
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(define/public (get-next-ornament-id)
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(let ((id next-ornament-id))
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(set! next-ornament-id (+ next-ornament-id 1))
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next-ornament-id))
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(define/public (check-pickup pickup)
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(foldl
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(lambda (twig found)
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(if (not found)
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(send twig check-pickup pickup)
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#f))
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#f
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twigs))
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(define/public (destroy-twig twig)
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(send-message 'destroy-branch-twig (list
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(list 'plant-id id)
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(list 'twig-id (send twig get-id))
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)))
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; a util to keep a fixed size list of twigs, calling destroy twig when needed.
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(define (cons-twig thing in count out)
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(cond
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((null? in)
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(cons thing out))
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((zero? count)
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(destroy-twig (car in))
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(cons thing out))
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(else (cons-twig thing (cdr in) (- count 1) (append out (list (car in)))))))
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(define/public (add-twig twig)
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(send twig set-id! (get-next-twig-id))
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(set! size (* size grow-amount))
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(send twig scale size)
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(send twig set-branch! #t)
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(send-message 'grow-seed (list
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(list 'plant-id id)
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(list 'amount grow-amount)))
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(send-message 'new-branch-twig (list
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(list 'plant-id id)
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(list 'twig-id (send twig get-id))
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(list 'type (send twig get-type))
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(list 'dir (send twig get-dir))
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(list 'width (send twig get-width))
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(list 'num-points (send twig get-num-points))
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(list 'render-type (send twig get-render-type))
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))
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(set! twigs (cons-twig twig twigs max-twigs '())))
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(define/public (get-random-twig)
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(if (not (null? twigs))
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(send (choose twigs) get-random-twig)
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#f))
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(define/public (get-twig-from-dir dir)
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(let ((dir (vnormalise dir)))
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(cadr (foldl
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(lambda (twig l)
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(let ((d (vdot (vnormalise (send twig get-dir)) dir)))
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(if (> d (car l))
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(list d twig)
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l)))
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(list -99 #f)
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twigs))))
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(define/augment (update)
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; grow a new ornament?
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(when (and (not (null? properties)) (zero? (random ornament-grow-probability)))
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(let ((twig (get-random-twig)))
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(when twig
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(let
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((property (choose properties))
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(point-index (random (send twig get-length))))
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(when (not (eq? property 'curly))
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(send twig add-ornament point-index
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(cond
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((or
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(eq? property 'leaf)
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(eq? property 'wiggle))
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(make-object ornament-logic%
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(get-next-ornament-id)
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property
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this
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twig
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point-index))
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(else
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(error "property not understood " property)))))))))
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(map
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(lambda (twig)
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(send twig update))
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twigs))
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(super-new)))
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;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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(define game-logic%
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(class game-logic-object%
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(field
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(plants '())
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(pickups '()))
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(inherit send-message)
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(define/public (setup)
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(for ((i (in-range 0 num-pickups)))
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(add-pickup (make-object pickup-logic% i (choose (list 'leaf 'curly 'wiggle))
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(vmul (srndvec) pickup-dist-radius)))))
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(define/public (add-player plant)
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(send-message 'player-plant (list
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(list 'plant-id (send plant get-id))
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(list 'pos (send plant get-pos))))
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(set! plants (cons plant plants)))
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|
|
(define/public (add-plant plant)
|
|
(send-message 'new-plant (list
|
|
(list 'plant-id (send plant get-id))
|
|
(list 'pos (send plant get-pos))))
|
|
(set! plants (cons plant plants)))
|
|
|
|
(define/public (add-pickup pickup)
|
|
(send-message 'new-pickup
|
|
(list
|
|
(list 'pickup-id (send pickup get-id))
|
|
(list 'type (send pickup get-type))
|
|
(list 'pos (send pickup get-pos))))
|
|
(set! pickups (cons pickup pickups)))
|
|
|
|
|
|
; todo - distribute the checking of stuff like
|
|
; this to a random selection of pickups/plants
|
|
; to distribute the cpu load
|
|
(define/augment (update)
|
|
(for-each
|
|
(lambda (pickup)
|
|
(for-each
|
|
(lambda (plant)
|
|
(send plant check-pickup pickup))
|
|
plants))
|
|
pickups)
|
|
|
|
; remove the pickups that have been 'picked up'
|
|
(set! pickups (filter
|
|
(lambda (pickup)
|
|
(not (send pickup picked-up?)))
|
|
pickups))
|
|
|
|
(map
|
|
(lambda (plant)
|
|
(send plant update))
|
|
plants))
|
|
|
|
(super-new)))
|
|
|
|
;==============================================================================
|
|
;==============================================================================
|
|
|
|
(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 '()))
|
|
|
|
(define/public (get-id)
|
|
id)
|
|
|
|
(define/public (get-dir)
|
|
dir)
|
|
|
|
(define/public (build)
|
|
0)
|
|
|
|
(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 (add-child-twig-id twig-id)
|
|
(set! child-twig-ids (cons twig-id child-twig-ids)))
|
|
|
|
(define/pubment (grow point)
|
|
(let ((growing-noise (oa-load-sample (fullpath "snd/event01.wav"))))
|
|
(oa-play growing-noise (vector 0 0 0) (rndf) 0.3))
|
|
(inner (void) grow point))
|
|
|
|
(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))
|
|
|
|
(super-new)))
|
|
|
|
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
(define ribbon-twig-view%
|
|
(class twig-view%
|
|
|
|
(inherit-field pos radius num-points index)
|
|
|
|
(field
|
|
(root 0))
|
|
|
|
(define/override (build)
|
|
(set! root (let ((p (with-state
|
|
(translate pos)
|
|
(colour (vector 0.8 1 0.6))
|
|
(texture (load-texture "textures/root.png"))
|
|
(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/augment (grow point)
|
|
(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
|
|
radius))
|
|
"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)
|
|
|
|
(field
|
|
(profile '())
|
|
(path '())
|
|
(root 0)
|
|
(grow-speed default-grow-speed)
|
|
(anim-t 0)
|
|
(widths '()))
|
|
|
|
(define/override (build)
|
|
(set! profile (build-circle-profile 7 1))
|
|
(set! path (build-list num-points (lambda (n) (vector 0 0 0))))
|
|
(set! widths (build-list num-points (lambda (n) (let ((t (/ n num-points)))
|
|
(if (eq? n (- num-points 1)) 0
|
|
(* radius
|
|
(if (zero? t) 1
|
|
(+ (* t 0.5)
|
|
(* (- (/ 1 t) 1) 0.1)))))))))
|
|
(set! root (let ((p (with-state
|
|
(backfacecull 0)
|
|
;(hint-none)
|
|
;(hint-wire)
|
|
(translate pos)
|
|
(texture (load-texture "textures/skin.png"))
|
|
(opacity 0.6)
|
|
(colour (vmul (vector 0.8 1 0.6) 2))
|
|
#;(colour (vector 1 1 1))
|
|
#;(texture (load-texture "textures/root.png"))
|
|
(build-partial-extrusion profile path 6))))
|
|
p)))
|
|
|
|
(define/override (get-root)
|
|
root)
|
|
|
|
(define/override (get-point point-index)
|
|
(list-ref path 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 (grow point)
|
|
#;(when (zero? index) (set! path (list-set path index point)))
|
|
(set! path (list-set path (+ index 1) point))
|
|
(set! anim-t 0)
|
|
(set! index (+ index 1)))
|
|
|
|
(define/augment (update t d)
|
|
(when (< anim-t 1)
|
|
(with-primitive root
|
|
(partial-extrude (+ (- index 1) anim-t)
|
|
profile path widths (vector 1 0 0) 0.05)))
|
|
(set! anim-t (+ anim-t (* d grow-speed))))
|
|
|
|
(define/public (get-end-pos)
|
|
(with-primitive root
|
|
(pdata-ref "p" (* index (length profile)))))
|
|
|
|
(super-new)))
|
|
|
|
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
(define plant-view%
|
|
(class object%
|
|
|
|
(init-field
|
|
(id "none")
|
|
(pos (vector 0 0 0)))
|
|
|
|
(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)
|
|
(texture (load-texture "textures/skin.png"))
|
|
(backfacecull 0)
|
|
(opacity 0.6)
|
|
(colour (vector 0.8 1 0.6))
|
|
(hint-depth-sort)
|
|
(scale 0.5)
|
|
(hint-unlit)
|
|
(load-primitive "meshes/seed.obj"))))
|
|
|
|
(define/public (get-id)
|
|
id)
|
|
|
|
(define/public (get-twig twig-id)
|
|
(let ((l (assq twig-id twigs)))
|
|
(if l
|
|
(cadr (assq twig-id twigs))
|
|
#f)))
|
|
|
|
(define/public (add-branch-twig twig)
|
|
; attach to seed
|
|
(with-primitive (send twig get-root)
|
|
(parent root))
|
|
(send twig build)
|
|
(set! twigs (cons (list (send twig get-id) twig) twigs)))
|
|
|
|
(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 (add-twig parent-twig-id point-index twig)
|
|
(let ((ptwig (get-twig parent-twig-id)))
|
|
; attach to parent twig
|
|
(with-primitive (send twig get-root)
|
|
(parent (send ptwig get-root)))
|
|
|
|
(send twig set-pos! (send ptwig get-point point-index))
|
|
(send twig build)
|
|
|
|
; 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)
|
|
|
|
(set! twigs (cons (list (send twig get-id) twig) twigs))))
|
|
|
|
(define/public (grow-twig twig-id point)
|
|
(send (get-twig twig-id) grow point))
|
|
|
|
(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 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)
|
|
(let ((p (build-locator)))
|
|
(with-state
|
|
(parent p)
|
|
(hint-unlit)
|
|
(with-state
|
|
(texture (load-texture top))
|
|
(translate (vector 0 0.5 0))
|
|
(rotate (vector 90 0 0))
|
|
(build-plane))
|
|
|
|
(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))
|
|
|
|
(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 20) (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")))
|
|
(nutrients (let ((p (with-state
|
|
(hint-depth-sort)
|
|
(texture (load-texture "textures/particle.png"))
|
|
(build-particles 5000))))
|
|
(with-primitive p
|
|
(pdata-map!
|
|
(lambda (p)
|
|
(vmul (vadd (crndvec) (vector 0 -1 0)) 90))
|
|
"p")
|
|
(pdata-map!
|
|
(lambda (s)
|
|
(vector 1 1 1))
|
|
"s"))
|
|
p)))
|
|
|
|
(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 (vector 0.5 0.3 0.2))
|
|
|
|
(fog (vector 0.5 0.3 0.2) 0.02 1 100)
|
|
#;(fog (vector 0.2 0.5 0.3) 0.02 1 100))
|
|
|
|
(define/public (add-plant plant)
|
|
(set! plants (cons (list (send plant get-id) plant) plants)))
|
|
|
|
(define/public (get-plant plant-id)
|
|
(cadr (assq plant-id plants)))
|
|
|
|
(define/public (add-branch-twig plant-id twig)
|
|
(send (get-plant plant-id) add-branch-twig twig))
|
|
|
|
(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))))
|
|
|
|
((eq? (send msg get-name) 'new-plant)
|
|
(add-plant (make-object plant-view%
|
|
(send msg get-data 'plant-id)
|
|
(send msg get-data 'pos))))
|
|
|
|
((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-branch-twig)
|
|
(add-branch-twig (send msg get-data 'plant-id)
|
|
(cond
|
|
((eq? (send msg get-data 'render-type) 'ribbon)
|
|
(make-object ribbon-twig-view%
|
|
(send msg get-data 'twig-id)
|
|
(vector 0 0 0)
|
|
(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)
|
|
(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) '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) 'twig-grow)
|
|
(send (get-plant (send msg get-data 'plant-id)) grow-twig
|
|
(send msg get-data 'twig-id)
|
|
(send msg get-data 'point)))
|
|
|
|
((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)))
|
|
|
|
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
(define controller%
|
|
(class object%
|
|
(init-field
|
|
(game-view #f))
|
|
|
|
(field
|
|
(fwd (vector 0 0 1))
|
|
(up (vector 0 1 0))
|
|
(pos (vector 0 0 0))
|
|
(mtx (mident))
|
|
(cam (build-locator))
|
|
(current-twig #f)
|
|
(current-twig-growing #f)
|
|
(current-point 0)
|
|
(tilt 0)
|
|
(yaw 0)
|
|
(player-plant #f))
|
|
|
|
(define/public (set-player-plant s)
|
|
(set! player-plant s))
|
|
|
|
(define/public (get-cam-obj)
|
|
cam)
|
|
|
|
(define/public (set-pos s)
|
|
(set! pos s))
|
|
|
|
(define/public (set-fwd s)
|
|
(set! fwd s))
|
|
|
|
(define/public (get-fwd)
|
|
fwd)
|
|
|
|
(define/public (setup)
|
|
(lock-camera cam)
|
|
(camera-lag 0.1)
|
|
(clip 1 1000)
|
|
(set-camera-transform (mtranslate (vector 0 0 -1))))
|
|
|
|
(define/public (update)
|
|
(when (key-pressed-this-frame " ")
|
|
(set! current-twig (make-object twig-logic% 0 player-plant 'root
|
|
(vmul fwd -1)
|
|
start-twig-width max-twig-points 'extruded))
|
|
(send player-plant add-twig current-twig)
|
|
(set! current-twig-growing #t))
|
|
|
|
(when (or (key-pressed "a") (key-special-pressed 100)) (set! yaw (+ yaw 1)))
|
|
(when (or (key-pressed "d") (key-special-pressed 102)) (set! yaw (- yaw 1)))
|
|
(when (or (key-pressed "w") (key-special-pressed 101)) (set! tilt (+ tilt 1)))
|
|
(when (or (key-pressed "s") (key-special-pressed 103)) (set! tilt (- tilt 1)))
|
|
|
|
; clamp tilt to prevent gimbal lock
|
|
(when (> tilt 88) (set! tilt 88))
|
|
(when (< tilt -88) (set! tilt -88))
|
|
|
|
(when (key-pressed-this-frame "q")
|
|
(cond ((not current-twig)
|
|
(set! current-twig (send player-plant get-twig-from-dir (vmul fwd 1)))
|
|
(set! current-point 2))
|
|
(else
|
|
(when (< current-point (- (send current-twig get-num-points) 1))
|
|
(set! current-point (+ current-point 1))))))
|
|
|
|
(when (key-pressed-this-frame "z")
|
|
(cond (current-twig
|
|
(set! current-point (- current-point 1))
|
|
(when (< current-point 2)
|
|
(set! current-twig #f)
|
|
(set! pos (vector 0 0 0))
|
|
(set-camera-transform (mtranslate (vector 0 0 -1)))))))
|
|
|
|
; if we are on a twig not growing
|
|
(cond ((and current-twig (not current-twig-growing))
|
|
(set! pos (send current-twig get-point current-point))
|
|
(when (> current-point 0)
|
|
(set! fwd (vnormalise (vsub (send current-twig get-point (- current-point 1))
|
|
pos)))))
|
|
|
|
(else
|
|
(when current-twig-growing
|
|
(set-camera-transform (mtranslate (vector 0 0 0)))
|
|
(let ((twig-view (send (send game-view get-plant (send player-plant get-id))
|
|
get-twig (send current-twig get-id))))
|
|
(when twig-view
|
|
(set! pos (vsub (send twig-view get-end-pos)
|
|
(vmul (send current-twig get-dir) 5)))))
|
|
(when (eq? (send current-twig get-num-points)
|
|
(send current-twig get-length))
|
|
(set! current-twig-growing #f)
|
|
(set! current-twig #f)))
|
|
|
|
; get camera fwd vector from key-presses
|
|
(set! fwd (vtransform (vector 0 0 1)
|
|
(mmul
|
|
(mrotate (vector 0 yaw 0))
|
|
(mrotate (vector tilt 0 0)))))))
|
|
|
|
(let* ((side (vnormalise (vcross up fwd)))
|
|
(up (vnormalise (vcross fwd side))))
|
|
|
|
(with-primitive cam
|
|
(identity)
|
|
(concat (vector (vx side) (vy side) (vz side) 0
|
|
(vx up) (vy up) (vz up) 0
|
|
(vx fwd) (vy fwd) (vz fwd) 0
|
|
(vx pos) (vy pos) (vz pos) 1)))))
|
|
|
|
(super-new)))
|
|
|
|
;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
(clear)
|
|
(define gl (make-object game-logic%))
|
|
(define gv (make-object game-view%))
|
|
(define c (make-object controller% gv))
|
|
|
|
(send c setup)
|
|
(send gv setup)
|
|
(send gl setup)
|
|
|
|
(define plant1 (make-object plant-logic% "dave@fo.am" (vector 0 0 0)))
|
|
(define plant2 (make-object plant-logic% "plant00001@fo.am" (vector 0 0 9)))
|
|
|
|
(send c set-player-plant plant1)
|
|
|
|
(send gl add-plant plant1)
|
|
(send gl add-plant plant2)
|
|
|
|
(send plant2 add-twig (make-object twig-logic% 0 plant2 'root (vector 0 -1 0) start-twig-width 10 'ribbon))
|
|
|
|
(define tick-time 0)
|
|
|
|
(define pt 0)
|
|
(define pd 0.02)
|
|
(define (pe-time) pt)
|
|
(define (pe-delta) pd)
|
|
(define (pt-update) (set! pt (+ pt pd)))
|
|
|
|
(define (animate)
|
|
|
|
(when (< tick-time (pe-time))
|
|
(set! tick-time (+ (pe-time) logic-tick))
|
|
(send plant1 grow (vmul (send c get-fwd) -1))
|
|
(send plant2 grow (vector 0 -1 0))
|
|
(send gv update (pe-time) (pe-delta) (send gl update)))
|
|
|
|
(send gv update (pe-time) (pe-delta) '())
|
|
(send c update)
|
|
(pt-update))
|
|
|
|
#;(for ((i (in-range 0 10000)))
|
|
(animate))
|
|
|
|
(every-frame (animate))
|