X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fgacela.scm;h=90e85816e0ae17f31df2b3b64142f39b3d143c5b;hb=31270934f62a3dbaefdf717d559195016e3385d0;hp=70ac867c2b995108b5ed2a188f043d173c6c84dd;hpb=0fcd674f524b9977055e7fe1958c7c815bd960a8;p=gacela.git

diff --git a/src/gacela.scm b/src/gacela.scm
index 70ac867..90e8581 100644
--- a/src/gacela.scm
+++ b/src/gacela.scm
@@ -118,7 +118,7 @@
 		(to-origin)
 		(refresh-active-mobs)
 		(run-mobs)
-		(draw-meshes)
+		(run-extensions)
 		(flip-screen)
 		(delay-frame))))
   (quit-video))
@@ -130,6 +130,26 @@
   loop-flag)
 
 
+;;; Extensions to main loop
+
+(define extensions '())
+
+(define (add-extension! proc pri)
+  "Add an extension with a priority to the main loop"
+  (set! extensions
+	(sort (assoc-set! extensions proc pri)
+	      (lambda (a b)
+		(< (cdr a) (cdr b))))))
+
+(define (remove-extension! proc)
+  "Remove an extension from the main loop"
+  (set! extensions
+	(assoc-remove! extensions proc)))
+
+(define (run-extensions)
+  (for-each (lambda (x) ((car x))) extensions))
+
+
 ;;; Game Properties
 
 (define *title* "Gacela")
@@ -338,18 +358,6 @@
      ,@body))
 
 
-;;; Views Factory
-
-(define default-view (make-hash-table))
-
-(define* (draw-meshes #:optional (meshes (hash-map->list (lambda (k v) v) default-view)))
-  (cond ((not (null? meshes))
-	 (catch #t
-		  (lambda () ((car meshes) 'draw))
-		  (lambda (key . args) #f))
-	 (draw-meshes (cdr meshes)))))
-
-
 (module-map (lambda (sym var)
 	      (if (not (eq? sym '%module-public-interface))
 		  (module-export! (current-module) (list sym))))