X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fgacela_mobs.scm;h=e0e2edd8ba5f7c718b7b6807a6354a98f2faec9e;hb=ca3edcecf937f854c1b5d9eeac566d85dc749cd0;hp=ede4235cb653b04fc96f7a1489b21a7e5eff6554;hpb=f9c37a25a35815b5285ce16ff6919d978bc5c6c6;p=gacela.git

diff --git a/src/gacela_mobs.scm b/src/gacela_mobs.scm
index ede4235..e0e2edd 100755
--- a/src/gacela_mobs.scm
+++ b/src/gacela_mobs.scm
@@ -20,6 +20,7 @@
 (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))
@@ -38,26 +39,49 @@
 	  (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
-       (let ((attr ',attr))
-	 (lambda (option)
-	   (case option
-	     ((#:render)
-	      (glPushMatrix)
-	      ,@(map (lambda (x) (if (string? x) `(draw-image ,x) x)) look)
-	      (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)))))))