(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)
(glEnable GL_LIGHTING))
(define (resize-screen-GL width height)
- (glViewPort 0 0 width height)
+ (glViewport 0 0 width height)
(glMatrixMode GL_PROJECTION)
(glLoadIdentity)
(cond ((3d-mode?) (let ((ratio (if (= height 0) width (/ width height))))
(gluPerspective 45 ratio 0.1 100))) ;0.1
- (else (let* ((w (/ width 2)) (-w (neg w)) (h (/ height 2)) (-h (neg h)))
- (glOrtho -w w -h h 0 1))))
+ (else (let* ((w (/ width 2)) (h (/ height 2)))
+ (glOrtho (- w) w (- h) h 0 1))))
(glMatrixMode GL_MODELVIEW)
(glLoadIdentity)
#t)
(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)
- `(let ((game-function (lambda () ,@code)))
+(define-macro (run-game . code)
+ `(let ((game-function ,(if (null? code)
+ `(lambda () #f)
+ `(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)
+ (quit? #f)
+ (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 (procedure? game-code) (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)
+ (quit-audio)
+ (quit-video-mode)
; (quit-all-mobs)
- (kill-all-objects)
-; (clear-events)
-; (quit-events)
- (quit-sdl))
+; (kill-all-objects)
+; (clear-events)
+ (quit-events)
+ (quit-sdl))