From ac7ed6dceea184022f0f737bd821ece7f8213c5b Mon Sep 17 00:00:00 2001 From: jsancho Date: Fri, 23 Dec 2011 17:20:13 +0000 Subject: [PATCH 1/1] Removing unnecessary closures. --- src/audio.scm | 22 +++----- src/video.scm | 149 +++++++++++++++++++++----------------------------- 2 files changed, 72 insertions(+), 99 deletions(-) diff --git a/src/audio.scm b/src/audio.scm index 8b1e146..5d91ece 100644 --- a/src/audio.scm +++ b/src/audio.scm @@ -21,18 +21,14 @@ quit-audio)) -(define init-audio #f) -(define quit-audio #f) +(define audio #f) -(let ((audio #f)) - (set! init-audio - (lambda () - (cond ((not audio) - (SDL_Init SDL_INIT_AUDIO) - (set! audio (Mix_OpenAudio 22050 MIX_DEFAULT_FORMAT 2 4096)))))) +(define (init-audio) + (cond ((not audio) + (SDL_Init SDL_INIT_AUDIO) + (set! audio (Mix_OpenAudio 22050 MIX_DEFAULT_FORMAT 2 4096))))) - (set! quit-audio - (lambda () - (cond (audio - (Mix_CloseAudio) - (set! audio #f)))))) +(define (quit-audio) + (cond (audio + (Mix_CloseAudio) + (set! audio #f)))) diff --git a/src/video.scm b/src/video.scm index 9d558be..69c9aa2 100644 --- a/src/video.scm +++ b/src/video.scm @@ -61,52 +61,41 @@ ;;; Screen -(define init-video #f) -(define get-screen-height #f) -(define get-screen-width #f) -(define get-screen-bpp #f) -(define resize-screen #f) -(define quit-video #f) - -(let ((screen #f) (flags 0)) - (set! init-video - (lambda* (width height bpp #:key (mode '2d) (title "")) - (cond ((not screen) - (SDL_Init SDL_INIT_VIDEO) - (let ((info (SDL_GetVideoInfo))) - (SDL_GL_SetAttribute SDL_GL_DOUBLEBUFFER 1) - (set! flags (+ SDL_OPENGL SDL_GL_DOUBLEBUFFER SDL_HWPALETTE SDL_RESIZABLE - (if (= (assoc-ref info 'hw_available) 0) SDL_SWSURFACE SDL_HWSURFACE) - (if (= (assoc-ref info 'blit_hw) 0) 0 SDL_HWACCEL))) - (set! screen (SDL_SetVideoMode width height bpp flags)) - (SDL_WM_SetCaption title "") - (init-gl) - (if (eq? mode '3d) (set-3d-mode) (set-2d-mode))))))) - - (set! get-screen-height - (lambda () - (surface-h screen))) - - (set! get-screen-width - (lambda () - (surface-w screen))) - - (set! get-screen-bpp - (lambda () - (surface-format-BytesPerPixel screen))) - - (set! resize-screen - (lambda (width height) - (cond (screen - (set! screen (SDL_SetVideoMode width height (get-screen-bpp) flags)) - (resize-screen-GL width height))))) - - (set! quit-video - (lambda () - (cond (screen - (SDL_FreeSurface screen) - (set! screen #f) - (SDL_Quit)))))) +(define screen #f) +(define flags 0) + +(define (init-video width height bpp #:key (mode '2d) (title "")) + (cond ((not screen) + (SDL_Init SDL_INIT_VIDEO) + (let ((info (SDL_GetVideoInfo))) + (SDL_GL_SetAttribute SDL_GL_DOUBLEBUFFER 1) + (set! flags (+ SDL_OPENGL SDL_GL_DOUBLEBUFFER SDL_HWPALETTE SDL_RESIZABLE + (if (= (assoc-ref info 'hw_available) 0) SDL_SWSURFACE SDL_HWSURFACE) + (if (= (assoc-ref info 'blit_hw) 0) 0 SDL_HWACCEL))) + (set! screen (SDL_SetVideoMode width height bpp flags)) + (SDL_WM_SetCaption title "") + (init-gl) + (if (eq? mode '3d) (set-3d-mode) (set-2d-mode)))))) + +(define (get-screen-height) + (surface-h screen)) + +(define (get-screen-width) + (surface-w screen)) + +(define (get-screen-bpp) + (surface-format-BytesPerPixel screen)) + +(define (resize-screen width height) + (cond (screen + (set! screen (SDL_SetVideoMode width height (get-screen-bpp) flags)) + (resize-screen-GL width height)))) + +(define (quit-video) + (cond (screen + (SDL_FreeSurface screen) + (set! screen #f) + (SDL_Quit)))) (define (clear-screen) (glClear (+ GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT))) @@ -115,28 +104,22 @@ (SDL_GL_SwapBuffers)) -(define set-2d-mode #f) -(define set-3d-mode #f) -(define 3d-mode? #f) +(define mode '2d) -(let ((mode '2d)) - (set! set-2d-mode - (lambda () - (set! mode '2d) - (glDisable GL_DEPTH_TEST) - (resize-screen-GL (get-screen-width) (get-screen-height)))) +(define (set-2d-mode) + (set! mode '2d) + (glDisable GL_DEPTH_TEST) + (resize-screen-GL (get-screen-width) (get-screen-height))) - (set! set-3d-mode - (lambda () - (set! mode '3d) - (glClearDepth 1) - (glEnable GL_DEPTH_TEST) - (glDepthFunc GL_LEQUAL) - (resize-screen-GL (get-screen-width) (get-screen-height)))) +(define (set-3d-mode) + (set! mode '3d) + (glClearDepth 1) + (glEnable GL_DEPTH_TEST) + (glDepthFunc GL_LEQUAL) + (resize-screen-GL (get-screen-width) (get-screen-height))) - (set! 3d-mode? - (lambda () - (eq? mode '3d)))) +(define (3d-mode?) + (eq? mode '3d)) (define (init-gl) @@ -189,18 +172,14 @@ ;;; Drawing -(define get-current-color #f) -(define set-current-color #f) +(define current-color '(1 1 1 1)) -(let ((current-color '(1 1 1 1))) - (set! get-current-color - (lambda () - current-color)) +(define (get-current-color) + current-color) - (set! set-current-color - (lambda* (red green blue #:optional (alpha 1)) - (set! current-color (list red green blue alpha)) - (glColor4f red green blue alpha)))) +(define* (set-current-color red green blue #:optional (alpha 1)) + (set! current-color (list red green blue alpha)) + (glColor4f red green blue alpha)) (define-macro (with-color color . code) (cond (color @@ -380,19 +359,17 @@ ;;; Camera -(define set-camera #f) -(define camera-look #f) +(define camera-eye '(0 0 0)) +(define camera-center '(0 0 -100)) +(define camera-up '(0 1 0)) -(let ((camera-eye '(0 0 0)) (camera-center '(0 0 -100)) (camera-up '(0 1 0))) - (set! set-camera - (lambda* (#:key eye center up) - (cond (eye (set! camera-eye eye))) - (cond (center (set! camera-center center))) - (cond (up (set! camera-up up))))) +(define* (set-camera #:key eye center up) + (cond (eye (set! camera-eye eye))) + (cond (center (set! camera-center center))) + (cond (up (set! camera-up up)))) - (set! camera-look - (lambda () - (apply gluLookAt (append camera-eye camera-center camera-up))))) +(define (camera-look) + (apply gluLookAt (append camera-eye camera-center camera-up))) ;;; Text and fonts -- 2.39.5