(define (mesh primitive)
(let ((x 0) (y 0) (z 0)
(ax 0) (ay 0) (az 0)
- (rx 0) (ry 0) (rz 0))
- (lambda (option . params)
- (case option
- ((draw)
- (video:glatrix-block
- (video:rotate rx ry rz)
- (video:translate x y z)
- (video:rotate ax ay az)
- (primitive)))
- ((get-properties)
- `((x . ,x) (y . ,y) (z . ,z) (ax . ,ax) (ay . ,ay) (az . ,az) (rx . ,rx) (ry . ,ry) (rz . ,rz)))))))
-
-(define-macro (define-mob mob-head . body)
- (let* ((name (car mob-head))
- (attr (cdr mob-head))
- (make-fun-symbol (gensym))
- (mob-fun-symbol (gensym))
- (params-symbol (gensym)))
- `(define (,name . ,params-symbol)
- (define ,make-fun-symbol
- (lambda* ,(if (null? attr) '() `(#:key ,@attr))
- (the-mob ,name (list ,@(map (lambda (a) `(cons ',(car a) ,(car a))) attr)))))
- (define ,mob-fun-symbol
- (define-mob-function ,attr ,@body))
- (cond ((or (null? ,params-symbol) (keyword? (car ,params-symbol)))
- (apply ,make-fun-symbol ,params-symbol))
- (else
- (apply ,mob-fun-symbol ,params-symbol))))))
-
-
-(define-macro (define-mesh name . mesh)
- (let* ((make-fun-symbol (gensym))
- (mesh-fun-symbol (gensym))
- (params-symbol (gensym)))
- `(define ,name
- (let ((,make-fun-symbol
- (lambda ()))
- (,mesh-fun-symbol
- (lambda ())))
- (lambda (. ,params-symbol)
- (cond ((or (null? ,params-symbol) (keyword? (car ,params-symbol)))
- (apply ,make-fun-symbol ,params-symbol))
- (else
- (apply ,mesh-fun-symbol ,params-symbol))))))))
-
+ (rx 0) (ry 0) (rz 0)
+ (id (gensym))
+ (properties '()))
+ (let ((inner-properties
+ (lambda ()
+ `((id . ,id) (x . ,x) (y . ,y) (z . ,z) (ax . ,ax) (ay . ,ay) (az . ,az) (rx . ,rx) (ry . ,ry) (rz . ,rz)))))
+ (lambda (option . params)
+ (case option
+ ((draw)
+ (video:glmatrix-block
+ (video:rotate ax ay az)
+ (video:translate x y z)
+ (video:rotate rx ry rz)
+ (primitive properties)))
+ ((translate)
+ (set! x (+ x (car params)))
+ (set! y (+ y (cadr params)))
+ (set! z (+ z (caddr params))))
+ ((turn)
+ (set! ax (+ ax (car params)))
+ (set! ay (+ ay (cadr params)))
+ (set! az (+ az (caddr params))))
+ ((rotate)
+ (set! rx (+ rx (car params)))
+ (set! ry (+ ry (cadr params)))
+ (set! rz (+ rz (caddr params))))
+ ((inner-properties)
+ (inner-properties))
+ ((inner-property)
+ (assoc-ref (inner-properties) (car params)))
+ ((properties)
+ properties)
+ ((properties-set!)
+ (set! properties (car params)))
+ ((property)
+ (assoc-ref properties (car params)))
+ ((property-set!)
+ (set! properties (assoc-set! properties (car params) (cadr params)))))))))
+
+(define* (show mesh #:optional (view default-view))
+ (let ((id (mesh 'inner-property 'id)))
+ (if (not (hash-ref view id))
+ (hash-set! view id mesh))))
+
+(define* (hide mesh #:optional (view default-view))
+ (hash-remove! view (mesh 'inner-property 'id)))
+
+(define* (translate mesh x y #:optional (z 0))
+ (mesh 'translate x y z)
+ mesh)
+
+(define (turn mesh . params)
+ (if (>= (length params) 3)
+ (apply mesh (cons 'turn params))
+ (mesh 'turn 0 0 (car params)))
+ mesh)
+
+(define (rotate mesh . params)
+ (if (>= (length params) 3)
+ (apply mesh (cons 'rotate params))
+ (mesh 'rotate 0 0 (car params)))
+ mesh)
+
+
+;;; Primitives
+
+(define-macro (primitive proc)
+ `(lambda (. params)
+ (let ((m (mesh (lambda (props) (apply ,proc ((@ (gacela utils) arguments-apply) ,proc props))))))
+ (m 'properties-set! ((@ (gacela utils) arguments-calling) ,proc params))
+ m)))
(define-macro (define-primitives . symbols)
(cond ((null? symbols)
`#t)
(else
- `(begin
- (define (,(caar symbols) . params) (mesh (lambda () (apply ,(cadar symbols) params))))
- (define-primitives ,@(cdr symbols))))))
-
-; (define-macro (,(caar symbols) . params) (let ((f ',(cadar symbols))) `(mesh (lambda () (apply ,f ',params)))))
+ (let ((origin (caar symbols))
+ (dest (cadar symbols)))
+ `(begin
+ (define ,origin (primitive ,dest))
+ (define-primitives ,@(cdr symbols)))))))
(define-primitives
(rectangle video:draw-rectangle)