We have stable meshes with properties, translate, rotate, turn and more.

[gacela.git] / src / gacela.scm

diff --git a/src/gacela.scm b/src/gacela.scm
index 2b9a19ed975e43a2053c49ee78885552b3e19bc3..61ff672c9d90c3f1adc11a18608d5ef685fd6d56 100644 (file)
--- a/src/gacela.scm
+++ b/src/gacela.scm
@@ -18,7 +18,6 @@
 (define-module (gacela gacela)
   #:use-module (gacela events)
   #:use-module (gacela video)
-  #:use-module ((gacela video) #:renamer (symbol-prefix-proc 'video:))
   #:use-module (gacela audio)
   #:use-module (ice-9 optargs)
   #:export (*title*
@@ -50,8 +49,7 @@
                   define-mob
                   lambda-mob
                   define-checking-mobs)
-  #:re-export (translate
-              get-frame-time
+  #:re-export (get-frame-time
               3d-mode?))
 
 
@@ -119,7 +117,7 @@
                (to-origin)
                (refresh-active-mobs)
                (run-mobs)
-               (draw-bricks)
+               (run-extensions)
                (flip-screen)
                (delay-frame))))
   (quit-video))
@@ -131,6 +129,26 @@
   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")
@@ -339,35 +357,6 @@
      ,@body))
 
 
-;;; Bricks Factory
-
-(define active-bricks '())
-
-(define* (draw-bricks #:optional (bricks active-bricks))
-  (cond ((not (null? bricks))
-        ((car bricks))
-        (draw-bricks (cdr bricks)))))
-
-(define-macro (show-brick brick-name)
-  `(set! active-bricks (cons (lambda () (,brick-name)) active-bricks)))
-
-(define-macro (simple-brick brick-code)
-  (let ((name (gensym)))
-    `(begin
-       (define (,name)
-        ,brick-code)
-       (show-brick ,name)
-       ,name)))
-
-
-;;; Primitive bricks
-
-(define-macro (draw-square . args)
-  `(simple-brick (apply video:draw-square ',args)))
-
-(re-export video:draw-square)
-
-
 (module-map (lambda (sym var)
              (if (not (eq? sym '%module-public-interface))
                  (module-export! (current-module) (list sym))))