Events Engine without publishing data from mobs.

[gacela.git] / src / gacela.scm

diff --git a/src/gacela.scm b/src/gacela.scm
index 4f1a4ddf54b3030a4cac38a73064009e6d3131b7..202c0c8b011bd4a1ab88ff10bbb23a15dad3a1fe 100644 (file)
--- a/src/gacela.scm
+++ b/src/gacela.scm
@@ -17,10 +17,12 @@
 
 ;;; Default values for Gacela
 
+(define *title* "Gacela")
 (define *width-screen* 640)
 (define *height-screen* 480)
 (define *bpp-screen* 32)
 (define *frames-per-second* 20)
+(define *mode* '2d)
 
 
 ;;; SDL Initialization Subsystem
@@ -81,7 +83,9 @@
                        (resize-screen-GL width height)))))
 
   (set! quit-video-mode
-       (lambda () (set! screen #f))))
+       (lambda ()
+         (SDL_FreeSurface screen)
+         (set! screen #f))))
 
 (define (set-2d-mode)
   (cond ((not (3d-mode?))
@@ -110,8 +114,9 @@
   (glClearColor 0 0 0 0)
 ;  (glClearDepth 1)
 ;  (glDepthFunc GL_LEQUAL)
-;  (glEnable GL_BLEND)
+  (glEnable GL_BLEND)
 ;  (glBlendFunc GL_SRC_ALPHA GL_ONE)
+  (glBlendFunc GL_SRC_ALPHA GL_ONE_MINUS_SRC_ALPHA)
   (glHint GL_PERSPECTIVE_CORRECTION_HINT GL_NICEST)
   #t)
 
@@ -162,12 +167,23 @@
          (set! audio #f))))
 
 
-;;; GaCeLa Functions
+;;; Resources Cache
+
+(define resources-cache (make-weak-value-hash-table))
+
+(define get-resource-from-cache #f)
+(define insert-resource-into-cache #f)
 
-(define (init-gacela)
-  (init-sdl)
-  (init-gl))
+(let ()
+  (set! get-resource-from-cache
+       (lambda (key)
+         (hash-ref resources-cache key)))
 
+  (set! insert-resource-into-cache
+       (lambda (key res)
+         (hash-set! resources-cache key res))))
+
+;;; GaCeLa Functions
 
 (define set-frames-per-second #f)
 (define init-frame-time #f)
@@ -189,11 +205,11 @@
                   (SDL_Delay (- time-per-frame frame-time))))))))
 
 
-(define set-game-properties #f)
+(define set-game-properties! #f)
 (define get-game-properties #f)
 
-(let ((ptitle "") (pwidth *width-screen*) (pheight *height-screen*) (pbpp *bpp-screen*) (pfps *frames-per-second*) (pmode '2d))
-  (set! set-game-properties
+(let ((ptitle *title*) (pwidth *width-screen*) (pheight *height-screen*) (pbpp *bpp-screen*) (pfps *frames-per-second*) (pmode *mode*))
+  (set! set-game-properties!
        (lambda* (#:key title width height bpp fps mode)
 ;        (init-video-mode)
          (if title
@@ -235,10 +251,10 @@
 (define game-running? #f)
 (define set-game-code #f)
 
-(let ((running #f) (game-code #f) (mobs '()))
+(let ((running #f) (game-code #f))
   (set! game-loop
        (lambda ()
-         (set! mobs (get-active-mobs))
+         (refresh-active-mobs)
          (set! running #t)
          (quit! #f)
          (do () ((quit?))
@@ -250,11 +266,13 @@
                   (cond ((video-mode-on?)
                          (glClear (+ GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT))
                          (to-origin)))
-                  (cond ((mobs-changed?) (set! mobs (get-active-mobs))))
-                  (if (procedure? game-code) (game-code))
-                  (run-mob-actions mobs)
+                  (refresh-active-mobs)
+                  (if (procedure? game-code)
+                      (catch #t
+                             (lambda () (game-code))
+                             (lambda (key . args) #f)))
                   (cond ((video-mode-on?)
-                         (render-mobs mobs)
+                         (run-mobs)
                          (SDL_GL_SwapBuffers)))
                   (delay-frame))))
          (set! running #f)))
@@ -266,12 +284,3 @@
   (set! set-game-code
        (lambda (game-function)
          (set! game-code game-function))))
-
-(define (quit-game)
-   (quit-audio)
-   (quit-video-mode)
-;  (quit-all-mobs)
-;   (kill-all-objects)
-;   (clear-events)
-   (quit-events)
-   (quit-sdl))