(define show-mob-hash #f)
(define hide-mob-hash #f)
(define get-active-mobs #f)
+(define clear-active-mobs #f)
(define mobs-changed? #f)
(let ((active-mobs (make-hash-table)) (changed #f))
(set! changed (not refreshed))
(hash-map->list (lambda (k v) v) active-mobs)))
+ (set! clear-active-mobs
+ (lambda ()
+ (set! changed #t)
+ (hash-clear! active-mobs)))
+
(set! mobs-changed?
(lambda () changed)))
(define-macro (show-mob mob)
- `(show-mob-hash ',mob (lambda (option) (,mob option))))
+ (cond ((list? mob)
+ `(let ((m ,mob))
+ (show-mob-hash (m 'get-mob-id) m)))
+ (else
+ `(show-mob-hash (,mob 'get-mob-id) (lambda () (,mob))))))
(define-macro (hide-mob mob)
`(hide-mob-hash ',mob))
-(define (process-mobs mobs)
- (for-each (lambda (m) (m #:render)) mobs))
+(define (run-mobs mobs)
+ (for-each
+ (lambda (m)
+ (glPushMatrix)
+ (m)
+ (glPopMatrix))
+ mobs))
+
-(define-macro (define-mob mob-head . look)
+;;; Making mobs
+
+(define-macro (define-mob mob-head . body)
(let ((name (car mob-head)) (attr (cdr mob-head)))
- `(define ,name
- (lambda-mob ,attr ,@look))))
-
-(define-macro (lambda-mob attr . look)
- (define (process-look look)
- (cond ((null? look) (values '() '()))
- (else
- (let ((line (car look)))
- (receive (lines images) (process-look (cdr look))
- (cond ((string? line)
- (let ((var (gensym)))
- (values (cons `(draw-texture ,var) lines)
- (cons `(,var (load-texture ,line)) images))))
- (else
- (values (cons line lines)
- images))))))))
-
- (receive (look-lines look-images) (process-look look)
- `(let ,(cons `(attr ',attr) look-images)
- (lambda (option . param)
- (case option
- ((#:get)
- (display (assoc-ref attr (car param)))
- (display param) (newline))
- ((#:render)
- (glPushMatrix)
- ,@look-lines
- (glPopMatrix)))))))
+ `(define ,(string->symbol (string-concatenate (list "make-" (symbol->string name))))
+ (lambda ()
+ (lambda-mob ,attr ,@body)))))
+
+(define-macro (lambda-mob attr . body)
+ `(let ,(cons '(mob-id (gensym)) attr)
+ (lambda* (#:optional (option #f))
+ (case option
+ ((get-mob-id)
+ mob-id)
+ (else
+ (catch #t
+ (lambda () ,@body)
+ (lambda (key . args) #f)))))))