206 lines
7.9 KiB
Scheme
206 lines
7.9 KiB
Scheme
(import (scheme base)
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(scheme inexact)
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(hoot ffi)
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(hoot debug)
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(dom canvas)
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(dom document)
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(dom element)
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(dom event)
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(dom image)
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(dom media)
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(dom window)
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(console))
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(define game-width 640.0)
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(define game-height 480.0)
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(define canvas (get-element-by-id "canvas"))
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(define context (get-context canvas "2d"))
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(define *element-x* (/ game-width 2.0))
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(define-record-type <gelement-type>
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(make-gelement-type interact? image)
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gelement-type?
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(interact? gelement-interact?)
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(image gelement-type-iamge))
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(define-record-type <gelement>
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(make-gelement type content)
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gelement?
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(type gelement-type)
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(content gelement-content set-gelement-content!))
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(define-record-type <parentheses>
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(make-parentheses type pos content)
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parentheses?
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(type parentheses-type)
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(pos parentheses-pos set-parentheses-pos!)
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(content parentheses-content set-parentheses-content!))
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(define-record-type <level>
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(make-level grid left-parenthes right-parenthes goal)
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level?
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(grid level-grid set-level-grid!)
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(left-parenthes level-left-parenthes set-left-parenthes!)
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(right-parenthes level-right-parenthes set-right-parenthes!)
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(goal level-goal set-level-goal!))
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(define wall (make-gelement (make-gelement-type #f "__________") '()))
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(define wall2 (make-gelement (make-gelement-type #f "|") '()))
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(define apple (make-gelement (make-gelement-type #t "apple") '(4 5)))
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(define air (make-gelement (make-gelement-type #t "") '()))
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(define (make-level-1) (make-level
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(vector
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(vector air air air air air)
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(vector wall wall wall wall wall)
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(vector air air air air air)
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(vector wall wall wall wall wall)
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(vector air air air air air))
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(make-parentheses 'left (cons 0 2) '(+ 1 2))
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(make-parentheses 'right (cons 4 2) '())
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"Hello World!"))
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(define *level* (make-level-1))
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(define (set-grid! x y val)
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(vector-set! (vector-ref (level-grid *level*) y) x val))
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(define (funcall fun args)
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(cond ((equal? fun '+)
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(apply + args))
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((equal? fun 'string-append)
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(apply string-append args))))
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(define (eval-parenthes content)
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(append '()
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(funcall (car content)
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(cdr content))))
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(define (convert e)
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(cond ((symbol? e)
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(symbol->string e))
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((number? e)
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(number->string e))
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((string? e)
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e)))
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(define (convert-iter e)
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(string-append " " (convert e) " "))
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(define (slist->string slst)
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(apply string-append (map convert-iter slst)))
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(define (collide-gelement! x y parenthes)
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(dprint "x" x)
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(dprint "y" y)
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(dprint "content" (parentheses-content parenthes))
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(dprint "par pos" (parentheses-pos parenthes))
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(if (and (and (>= x 0) (>= y 0) (and (< x (vector-length (level-grid *level*))) (< y (vector-length (level-grid *level*))))))
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(let ((e (vector-ref (vector-ref (level-grid *level*) y) x))
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(len (vector-length (level-grid *level*))))
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(if (and (< x len) (< y len))
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(if (gelement-interact? (gelement-type e))
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(begin
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(dprint "Move!")
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(set-grid! x y air)
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(set-parentheses-pos! parenthes (cons x y))
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(set-parentheses-content! parenthes (append (parentheses-content parenthes) (gelement-content e)))
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(dprint "after-content" (parentheses-content parenthes)))
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(dprint "Boop!"))))
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(dprint "Boop!")))
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(define (collide-pareneheses! level)
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(let ((left-parenthes (level-left-parenthes level))
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(right-parenthes (level-right-parenthes level))
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(goal (level-goal level)))
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(if (equal? (parentheses-pos left-parenthes) (parentheses-pos right-parenthes))
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(let ((val (eval-parenthes (append (parentheses-content left-parenthes)
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(parentheses-content right-parenthes)))))
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(if (equal? val goal)
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(dprint "Goal!")
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(begin
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(set-parentheses-content! left-parenthes '())
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(set-parentheses-content! right-parenthes `(,val))
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)
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)))))
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;; Draw
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(define (draw prev-time)
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(clear-rect context 0.0 0.0 game-width game-height)
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(set-fill-color! context "#140c1c")
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(set-text-align! context "center")
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(set-font! context "bold 24px monospace")
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(let ((grid (level-grid *level*))
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(left-parenthes (level-left-parenthes *level*))
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(right-parenthes (level-right-parenthes *level*)))
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; Draw grid
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(do ((i 0 (+ i 1)))
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((= i (vector-length grid)))
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(do ((j 0 (+ j 1)))
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((= j (vector-length grid)))
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(let* ((gele (vector-ref (vector-ref grid j) i))
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(avg-width (/ game-width (vector-length grid)))
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(avg-hight (/ game-height (vector-length grid))))
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(fill-text context (gelement-type-iamge (gelement-type gele)) (* 100 (+ i 1)) (* 50 (+ j 1))))))
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; Draw left-parenthes
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(fill-text context "("
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(* (+ (car (parentheses-pos left-parenthes)) 1) 100)
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(* (+ (cdr (parentheses-pos left-parenthes)) 1) 50))
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; Draw right-parenthes
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(fill-text context ")"
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(* (+ (car (parentheses-pos right-parenthes)) 1) 100)
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(* (+ (cdr (parentheses-pos right-parenthes)) 1) 50))
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; Draw hub
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(set-text-align! context "left")
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(fill-text context
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(string-append "(" (slist->string (parentheses-content left-parenthes)))
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0 350)
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(fill-text context
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(string-append (slist->string (parentheses-content right-parenthes)) ")")
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0 400)
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(request-animation-frame draw-callback)))
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(define draw-callback (procedure->external draw))
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(set-element-width! canvas (exact game-width))
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(set-element-height! canvas (exact game-height))
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(request-animation-frame draw-callback)
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;; Input
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(define (on-key-down event)
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(let ((key (keyboard-event-code event)))
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(cond
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((string=? key "KeyR")
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(set! *level* (make-level-1))
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(request-animation-frame draw-callback))
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((string=? key "KeyA")
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(collide-gelement! (- (car (parentheses-pos (level-left-parenthes *level*))) 1) (cdr (parentheses-pos (level-left-parenthes *level*))) (level-left-parenthes *level*)))
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((string=? key "KeyD")
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(collide-gelement! (+ (car (parentheses-pos (level-left-parenthes *level*))) 1) (cdr (parentheses-pos (level-left-parenthes *level*))) (level-left-parenthes *level*)))
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((string=? key "KeyW")
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(collide-gelement! (car (parentheses-pos (level-left-parenthes *level*))) (- (cdr (parentheses-pos (level-left-parenthes *level*))) 1) (level-left-parenthes *level*)))
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((string=? key "KeyS")
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(collide-gelement! (car (parentheses-pos (level-left-parenthes *level*))) (+ (cdr (parentheses-pos (level-left-parenthes *level*))) 1) (level-left-parenthes *level*)))
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((string=? key "ArrowLeft")
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(collide-gelement! (- (car (parentheses-pos (level-right-parenthes *level*))) 1) (cdr (parentheses-pos (level-right-parenthes *level*))) (level-right-parenthes *level*)))
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((string=? key "ArrowRight")
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(collide-gelement! (+ (car (parentheses-pos (level-right-parenthes *level*))) 1) (cdr (parentheses-pos (level-right-parenthes *level*))) (level-right-parenthes *level*)))
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((string=? key "ArrowUp")
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(collide-gelement! (car (parentheses-pos (level-right-parenthes *level*))) (- (cdr (parentheses-pos (level-right-parenthes *level*))) 1) (level-right-parenthes *level*)))
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((string=? key "ArrowDown")
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(collide-gelement! (car (parentheses-pos (level-right-parenthes *level*))) (+ (cdr (parentheses-pos (level-right-parenthes *level*))) 1) (level-right-parenthes *level*))))
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(collide-pareneheses! *level*)
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)
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)
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(add-event-listener! (current-document) "keydown"
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(procedure->external on-key-down))
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