223 lines
7.9 KiB
Scheme
223 lines
7.9 KiB
Scheme
;; p l a n t e y e s [ copyright (c) 2009 foam vzw : gpl v3 ]
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#lang scheme/base
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(require scheme/class
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fluxus-016/fluxus
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"logic.ss"
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"view.ss")
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(provide (all-defined-out))
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; reads input events and tells the logic side what to do
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(define controller%
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(class object%
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(init-field
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(game-view #f)
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(game-logic #f))
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(field
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(fwd (vector 0 0 1))
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(up (vector 0 1 0))
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(pos (vector 0 0 0))
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(mtx (mident))
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(cam (build-locator))
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(current-twig #f)
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(current-twig-growing #f)
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(current-point 0)
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(tilt 0)
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(yaw 0)
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(player-plant #f)
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(player-pos (vector 0 0 0))
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(last-pos (vector 0 0 0))
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(debounce-space #t)
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(seed-return #f)
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(seed-return-timer 0)
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(seed-return-secs-per-point 3)
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(twig-stack '())
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(above-ground #f)
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(cam-pos (vector 0 0 0))
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(sent-welcome-text #f)
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(sent-return-text #f)
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(sent-growing-text #f)
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(iso-view #f)
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(debounce-i #t))
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(define/public (set-player-plant s)
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(set! pos (send s get-pos))
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(set! player-pos (send s get-pos))
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(set! player-plant s))
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(define/public (get-cam-obj)
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cam)
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(define/public (set-pos s)
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(set! pos s))
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(define/public (set-fwd s)
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(set! fwd s))
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(define/public (get-fwd)
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fwd)
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(define/public (setup)
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(send game-logic set-stones (send game-view get-stones))
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(lock-camera cam)
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(camera-lag 0)
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(send game-view set-cam cam)
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(set-camera-transform (mtranslate (vector 0 0 -4))))
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(define/public (update t d)
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(when (not sent-welcome-text)
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(send game-view display "going to your seed" 4)
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(send game-view display "you are now inside your seed" 4)
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(send game-view display "look around with your cursor keys" 4)
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(send game-view display "hold down space to grow" 4)
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(set! sent-welcome-text #t))
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(if (or (key-pressed "i") (key-pressed "I"))
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(when debounce-i
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(set! debounce-i #f)
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(cond
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((not iso-view)
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(set! iso-view #t)
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(ortho)
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(set-ortho-zoom -500)
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(set-camera-transform (mtranslate (vector 0 0 -40))))
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(else
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(set! iso-view #f)
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(persp)
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(set-camera-transform (mtranslate (vector 0 0 -4))))))
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(set! debounce-i #t))
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(when (and (key-pressed " ") debounce-space (not current-twig-growing)
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; don't want the branch to be too small
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(if current-twig (> (send current-twig get-width-at-point current-point) 1) #t))
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(set! seed-return #f)
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(set! debounce-space #f)
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(set! last-pos pos)
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(send (send game-view get-plant (send player-plant get-id)) hide-twigs 0)
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(cond (current-twig
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(set! pos (vadd player-pos (send current-twig get-point current-point)))
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(let ((new-twig (send player-plant add-sub-twig current-twig current-point
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(vector 0 1 0) #;(vsub (send current-twig get-point current-point)
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(send current-twig get-point (- current-point 1))))))
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(set! current-twig-growing #t)
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(set! twig-stack (cons (list current-point current-twig) twig-stack))
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(set! current-twig new-twig)))
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(else
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(set! current-twig (make-object twig-logic% (vector 0 0 0) 0 player-plant 'root
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(vmul fwd -1)
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start-twig-width (send player-plant get-twig-size) 'extruded))
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(send player-plant add-twig current-twig)
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(set! current-twig-growing #t)))
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(send game-view set-grow-mode-on (send current-twig get-num-points))
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(when (not sent-growing-text)
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(send game-view display "growing..." 4)
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(send game-view display "keep holding space to go forward" 4)
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(send game-view display "use your cursor keys to steer" 4)
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(send game-view display "look for nutrients in the soil" 4)
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(send game-view display "nutrients allow you to grow further" 4)
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(set! sent-growing-text #t)))
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(when (and (key-pressed " ") current-twig-growing)
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(let ((vel (vmul fwd (* d -3))))
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(when
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(not (collide? (list pos (vadd pos vel)) (send game-view get-stones)))
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(set! pos (vadd pos vel))
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(when (> (vdist last-pos pos) (send current-twig get-dist))
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(set! last-pos pos)
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(send game-view scrub-marker)
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(send player-plant grow (vsub pos player-pos))))))
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(when (and (not current-twig-growing) (not (key-pressed " ")))
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(set! debounce-space #t))
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(when (or (key-pressed "a") (key-pressed "A") (key-special-pressed 100)) (set! yaw (+ yaw 2)))
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(when (or (key-pressed "d") (key-pressed "D") (key-special-pressed 102)) (set! yaw (- yaw 2)))
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(when (or (key-pressed "w") (key-pressed "W") (key-special-pressed 101)) (set! tilt (- tilt 2)))
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(when (or (key-pressed "s") (key-pressed "S") (key-special-pressed 103)) (set! tilt (+ tilt 2)))
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; clamp tilt to prevent gimbal lock
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(when (> tilt 88) (set! tilt 88))
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(when (< tilt -88) (set! tilt -88))
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(when seed-return
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(when (not sent-return-text)
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(send game-view display "returning to your seed..." 4)
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(send game-view display "look around with your cursor keys" 4)
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(send game-view display "hold space to grow a new branch" 4)
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(set! sent-return-text #t))
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(cond ((< current-point 2)
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(cond ((null? twig-stack)
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(set! current-twig #f)
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(set! pos player-pos)
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(send (send game-view get-plant (send player-plant get-id)) hide-twigs 1)
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(set! seed-return #f))
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(else
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(set! current-point (car (car twig-stack)))
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(set! current-twig (cadr (car twig-stack)))
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(set! twig-stack (cdr twig-stack)))))
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(else
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(set! seed-return-timer (- seed-return-timer d))
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(let* ((p (vadd player-pos (vmix (send current-twig get-point current-point)
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(send current-twig get-point (- current-point 1))
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(/ seed-return-timer seed-return-secs-per-point))))
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(d (vnormalise (vsub (send current-twig get-point (- current-point 1))
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(send current-twig get-point current-point))))
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(dd (vnormalise (vcross d (vector 0 1 0))))
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(r (vmul (vnormalise (vcross dd d)) (* 2
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(lerp (send current-twig get-width-at-point current-point)
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(send current-twig get-width-at-point (- current-point 1))
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(/ seed-return-timer seed-return-secs-per-point)
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)))))
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(set! pos (vadd p r)))
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(when (< seed-return-timer 0)
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(set! seed-return-timer seed-return-secs-per-point)
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(set! current-point (- current-point 1))))))
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; get camera fwd vector from key-presses
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(set! fwd (vtransform (vector 0 0 1)
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(mmul
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(mrotate (vector 0 yaw 0))
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(mrotate (vector tilt 0 0)))))
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; if we are on a twig not growing
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(when (and current-twig-growing (not (send current-twig growing?)))
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(send game-view set-grow-mode-off)
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(set! current-twig-growing #f)
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(set! seed-return #t)
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(set! current-point (- (send current-twig get-num-points) 1)))
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(cond
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((and (not above-ground) (> (vy (vadd player-pos pos)) 0))
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(set! above-ground #t)
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(send game-view above-ground))
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((and above-ground (< (vy (vadd player-pos pos)) 0))
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(set! above-ground #f)
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(send game-view below-ground)))
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(let* ((side (vnormalise (vcross up fwd)))
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(up (vnormalise (vcross fwd side))))
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(set! cam-pos (vlerp cam-pos pos 0.9))
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(oa-set-head-pos cam-pos fwd)
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(with-primitive cam
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(identity)
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(concat (vector (vx side) (vy side) (vz side) 0
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(vx up) (vy up) (vz up) 0
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(vx fwd) (vy fwd) (vz fwd) 0
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(vx cam-pos) (vy cam-pos) (vz cam-pos) 1)))))
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(super-new)))
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