X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fgacela.scm;h=1d963c6772b29a5f1924d84f0aef14d4890c97d4;hb=cf6094cdd9222b104b1cf08637de9d8021473923;hp=569edc344d47c6d65af7912ca4efe9c7793500ae;hpb=c4dbd17a165312f189ec5211069dab4d039d5471;p=gacela.git diff --git a/src/gacela.scm b/src/gacela.scm index 569edc3..1d963c6 100644 --- 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) @@ -164,11 +169,6 @@ ;;; GaCeLa Functions -(define (init-gacela) - (init-sdl) - (init-gl)) - - (define set-frames-per-second #f) (define init-frame-time #f) (define delay-frame #f) @@ -189,11 +189,11 @@ (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 @@ -240,22 +240,25 @@ (lambda () (set! mobs (get-active-mobs)) (set! running #t) - (quit? #f) + (quit! #f) (do () ((quit?)) - (if (sdl-on?) (init-frame-time)) + (init-frame-time) (check-connections) (eval-from-clients) - (cond ((sdl-on?) - (process-events) - (cond ((not (quit?)) + (process-events) + (cond ((not (quit?)) + (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) - (render-mobs mobs) - (SDL_GL_SwapBuffers) - (delay-frame)))))) + (to-origin))) + (cond ((mobs-changed?) (set! mobs (get-active-mobs)))) + (if (procedure? game-code) + (catch #t + (lambda () (game-code)) + (lambda (key . args) #f))) + (cond ((video-mode-on?) + (run-mobs mobs) + (SDL_GL_SwapBuffers))) + (delay-frame)))) (set! running #f))) (set! game-running? @@ -265,12 +268,3 @@ (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))