(no commit message)

diff --git a/src/gacela_mobs.scm b/src/gacela_mobs.scm
index de76938d5f14d41e5f2c802897b286d7896105b1..ede4235cb653b04fc96f7a1489b21a7e5eff6554 100755 (executable)
--- a/src/gacela_mobs.scm
+++ b/src/gacela_mobs.scm
@@ -17,49 +17,47 @@
 
 ;;; 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))))))))