From 927bc117a8d08f73cfce9087e04ad6b169280edb Mon Sep 17 00:00:00 2001
From: jsancho <devnull@localhost>
Date: Sun, 15 May 2011 19:52:37 +0000
Subject: [PATCH]

---
 src/gacela.scm | 75 +++++++++++++++++++++++++++-----------------------
 1 file changed, 41 insertions(+), 34 deletions(-)

diff --git a/src/gacela.scm b/src/gacela.scm
index 7d63068..38b57f0 100644
--- a/src/gacela.scm
+++ b/src/gacela.scm
@@ -51,8 +51,8 @@
 		 (init-sdl)
 		 (SDL_GL_SetAttribute SDL_GL_DOUBLEBUFFER 1)
 		 (set! flags (+ SDL_OPENGL SDL_GL_DOUBLEBUFFER SDL_HWPALETTE SDL_RESIZABLE
-				(if (= (getf (SDL_GetVideoInfo) :hw_available) 0) SDL_SWSURFACE SDL_HWSURFACE)
-				(if (= (getf (SDL_GetVideoInfo) :blit_hw) 0) 0 SDL_HWACCEL)))
+				(if (= (assoc-ref (SDL_GetVideoInfo) 'hw_available) 0) SDL_SWSURFACE SDL_HWSURFACE)
+				(if (= (assoc-ref (SDL_GetVideoInfo) 'blit_hw) 0) 0 SDL_HWACCEL)))
 		 (set! screen (SDL_SetVideoMode width height bpp flags))
 		 (init-GL)
 		 (resize-screen-GL width height)
@@ -204,46 +204,53 @@
 
   (set! get-game-properties
 	(lambda ()
-	  (list :title ptitle :width pwidth :height pheight :bpp pbpp :fps pfps :mode pmode)))
+	  `((title . ,ptitle) (width . ,pwidth) (height . ,pheight) (bpp . ,pbpp) (fps . ,pfps) (mode . ,pmode)))))
 
 
-(defmacro run-game (&body code)
+(define-macro (run-game . code)
   `(let ((game-function (lambda () ,@code)))
      (init-video-mode)
      (set-game-code game-function)
      (cond ((not (game-running?))
 	    (game-loop)))))
 
-(let (running game-code)
-  (defun game-loop ()
-    (setq running t)
-    (do () ((quit?))
-	(init-frame-time)
-	(check-connections)
-	(eval-from-clients)
-	(process-events)
-	(cond ((not (quit?))
-	       (glClear (+ GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT))
-	       (to-origin)
-	       (refresh-active-objects)
-	       (when (functionp game-code) (funcall game-code))
-	       (render-objects)
-	       (SDL_GL_SwapBuffers)
-	       (delay-frame))))
-    (setq running nil))
-
-  (defun game-running? ()
-    running)
-
-  (defun set-game-code (game-function)
-    (setq game-code game-function)))
-
-(defun quit-game ()
-  (free-all-resources)
-  (quit-audio)
-  (quit-video-mode)
+(define game-loop #f)
+(define game-running? #f)
+(define set-game-code #f)
+
+(let ((running #f) (game-code #f))
+  (set! game-loop
+	(lambda ()
+	  (set! running #t)
+	  (do () ((quit?))
+	    (init-frame-time)
+	    (check-connections)
+	    (eval-from-clients)
+	    (process-events)
+	    (cond ((not (quit?))
+		   (glClear (+ GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT))
+		   (to-origin)
+		   (refresh-active-objects)
+		   (if (functionp game-code) (funcall game-code))
+		   (render-objects)
+		   (SDL_GL_SwapBuffers)
+		   (delay-frame))))
+	  (set! running #f)))
+
+  (set! game-running?
+	(lambda ()
+	  running))
+
+  (set! set-game-code
+	(lambda (game-function)
+	  (set! game-code game-function))))
+
+(define (quit-game)
+;  (free-all-resources)
+   (quit-audio)
+   (quit-video-mode)
 ;  (quit-all-mobs)
-  (kill-all-objects)
+;   (kill-all-objects)
 ;  (clear-events)
 ;  (quit-events)
-  (quit-sdl))
+   (quit-sdl))
-- 
2.39.2