;;; Mobs Factory
-(define add-mob-lambda #f)
-(define kill-mob-symbol #f)
+(define show-mob-hash #f)
+(define hide-mob-hash #f)
(define get-active-mobs #f)
(define mobs-changed? #f)
-(let ((active-mobs '()) (changed #f))
- (set! add-mob-lambda
- (lambda (mob)
- (pushnew mob active-mobs)
+(let ((active-mobs (make-hash-table)) (changed #f))
+ (set! show-mob-hash
+ (lambda (key mob)
+ (hash-set! active-mobs key mob)
(set! changed #t)))
- (set! kill-mob-symbol
- (lambda (mob)
- (set! active-mobs (lset-difference eq? active-mobs (list mob)))
+ (set! hide-mob-hash
+ (lambda (key)
+ (hash-remove! key)
(set! changed #t)))
(set! get-active-mobs
(lambda* (#:optional (refreshed #t))
(set! changed (not refreshed))
- active-mobs))
+ (hash-map->list (lambda (k v) v) active-mobs)))
(set! mobs-changed?
(lambda () changed)))
-(define-macro (add-mob mob)
- `(add-mob-lambda (lambda (option) (,mob option))))
+(define-macro (show-mob mob)
+ `(show-mob-hash ',mob (lambda (option) (,mob option))))
-(define-macro (kill-mob mob)
- `(kill-mob-symbol ',mob))
+(define-macro (hide-mob mob)
+ `(hide-mob-hash ',mob))
(define (process-mobs mobs)
(for-each (lambda (m) (m #:render)) mobs))
(define-macro (define-mob mob-head . look)
(let ((name (car mob-head)) (attr (cdr mob-head)))
- `(begin
- (define ,name #f)
+ `(define ,name
(let ((attr ',attr))
- (set! ,name
- (lambda (option)
- (case option
- ((#:render)
- (glPushMatrix)
- ,@(map (lambda (x) (if (string? x) `(draw-image ,x) x)) look)
- (glPopMatrix)))))))))
+ (lambda (option)
+ (case option
+ ((#:render)
+ (glPushMatrix)
+ ,@(map (lambda (x) (if (string? x) `(draw-image ,x) x)) look)
+ (glPopMatrix))))))))