X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=gacela.lisp;h=4197d22d077e2b488fc7f692d48285aced148848;hb=6a3d1ffb69036e6d4f1c239fd7d52f9bfc48d50c;hp=b9b415a0b711121da8cb8dcea11faf2a75194669;hpb=57a2b49670c77a435b67d19fed2d4ea80e5d2a3f;p=gacela.git diff --git a/gacela.lisp b/gacela.lisp index b9b415a..4197d22 100644 --- a/gacela.lisp +++ b/gacela.lisp @@ -15,16 +15,18 @@ ;;; along with this program. If not, see . -(in-package :gacela) +(eval-when (compile load) (make-package 'gacela :nicknames '(gg) :use '(lisp))) + +(eval-when (compile load eval) + (when (not (find-package 'gacela)) (make-package 'gacela :nicknames '(gg) :use '(lisp))) + (in-package 'gacela :nicknames '(gg) :use '(lisp))) + ;;; Default values for Gacela (defvar *width-screen* 640) (defvar *height-screen* 480) (defvar *bpp-screen* 32) -(defvar *title-screen* "Happy Hacking!!") (defvar *frames-per-second* 20) -(defvar *transparent-color* '(:red 0 :green 0 :blue 0)) -(defvar *background-color* '(:red 0 :green 0 :blue 0)) ;;; SDL Initialization Subsystem (let (initialized) @@ -38,11 +40,9 @@ ;;; Video Subsystem -(defstruct surface address clip-w clip-h shape) +(let (screen flags (current-width *width-screen*) (current-height *height-screen*) current-bpp) -(let (screen flags) - - (defun init-video-mode (&key (width *width-screen*) (height *height-screen*) (bpp *bpp-screen*)) + (defun init-video-mode (&key (width current-width) (height current-height) (bpp *bpp-screen*)) (cond ((null screen) (init-sdl) (SDL_GL_SetAttribute SDL_GL_DOUBLEBUFFER 1) @@ -51,31 +51,43 @@ (if (= (getf (SDL_GetVideoInfo) :blit_hw) 0) 0 SDL_HWACCEL))) (setq screen (SDL_SetVideoMode width height bpp flags)) (init-GL) - (resize-screen-GL width height)) + (resize-screen-GL width height) + (setq current-width width current-height height current-bpp bpp)) (t t))) - (defun resize-screen (width height bpp) - (setq screen (SDL_SetVideoMode width height bpp flags)) - (resize-screen-GL width height)) - - (defun fill-screen (color) - (init-video-mode) - (fill-surface screen (getf color :red) (getf color :green) (getf color :blue))) + (defun resize-screen (width height &optional (bpp current-bpp)) + (cond (screen (setq screen (SDL_SetVideoMode width height bpp flags)) + (resize-screen-GL width height))) + (setq current-width width current-height height)) - (defun flip () - (cond ((null screen) nil) - (t (SDL_Flip screen)))) + (defun apply-mode-change () + (resize-screen-GL current-width current-height)) (defun quit-video-mode () (setq screen nil))) +(defun set-2d-mode () + (cond ((not (3d-mode?)) + (init-video-mode) + (glDisable GL_DEPTH_TEST) + (apply-mode-change)))) + +(defun set-3d-mode () + (cond ((3d-mode?) + (init-video-mode) + (glClearDepth 1) + (glEnable GL_DEPTH_TEST) + (glDepthFunc GL_LEQUAL) + (apply-mode-change)))) + +(defun 3d-mode? () + (eq (getf (get-game-properties) :mode) '3d)) (defun init-GL () - (2d-mode) (glShadeModel GL_SMOOTH) (glClearColor 0 0 0 0) - (glClearDepth 1) - (glDepthFunc GL_LEQUAL) +; (glClearDepth 1) +; (glDepthFunc GL_LEQUAL) ; (glEnable GL_BLEND) ; (glBlendFunc GL_SRC_ALPHA GL_ONE) (glHint GL_PERSPECTIVE_CORRECTION_HINT GL_NICEST) @@ -86,16 +98,16 @@ (glEnable GL_LIGHTING)) (defun resize-screen-GL (width height) - (let ((ratio (if (= height 0) width (/ width height)))) -; (glViewPort 0 0 width height) - (glMatrixMode GL_PROJECTION) - (glLoadIdentity) - (let* ((w (/ width 2)) (-w (neg w)) (h (/ height 2)) (-h (neg h))) - (glOrtho -w w -h h 0 1)) -; (gluPerspective 45 ratio 0.1 100) - (glMatrixMode GL_MODELVIEW) - (glLoadIdentity) - t)) + (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 + (t (let* ((w (/ width 2)) (-w (neg w)) (h (/ height 2)) (-h (neg h))) + (glOrtho -w w -h h 0 1)))) + (glMatrixMode GL_MODELVIEW) + (glLoadIdentity) + t)) (let ((current-color '(1 1 1 1))) (defun get-current-color () @@ -121,26 +133,12 @@ (caddr transparent-color))) optimized-image))))))) -(defun load-image2 (image-file &key (transparent-color nil)) - (let ((address-image (load-image image-file :transparent-color transparent-color))) - (list - (lambda (x y) (print-surface x y address-image)) - (lambda () (SDL_FreeSurface address-image))))) - -(defun clean-screen () - (fill-screen *background-color*)) - -(defun refresh-screen () - (clean-screen) - (funcall-procs #'print-mob) - (flip)) - ;;; Audio Subsystem (let ((audio nil)) (defun init-audio () - (cond ((null audio) (progn (init-sdl) (setq audio (Mix_OpenAudio 22050 2 4096)))) + (cond ((null audio) (progn (init-sdl) (setq audio (Mix_OpenAudio 22050 MIX_DEFAULT_FORMAT 2 4096)))) (t audio))) (defun quit-audio () @@ -156,6 +154,12 @@ (defun make-resource-font (&key filename encoding) `(:type font :filename ,filename :enconding ,encoding)) +(defun make-resource-sound (&key filename) + `(:type sound :filename ,filename)) + +(defun make-resource-music (&key filename) + `(:type music :filename ,filename)) + (defmacro get-rtime (key) `(resource-time (gethash ,key resources-table))) @@ -204,30 +208,37 @@ (maphash (lambda (key res) (free-resource key)) resources-table))) -;;; Connection with the GUI -(let (socket) - (defun connect-to-gui () - (setq socket (si::socket 1984 :host "localhost"))) - - (defun eval-from-gui () - (cond ((and socket (listen socket)) (eval (read socket)))))) +;;; Connection with Gacela Clients +(let (server-socket clients) + (defun start-server (port) + (cond ((null server-socket) (setq server-socket (si::socket port :server #'check-connections))))) + + (defun check-connections () + (cond ((and server-socket (listen server-socket)) (setq clients (cons (si::accept server-socket) clients))))) + + (defun eval-from-clients () + (labels ((eval-clients (cli-socks) + (cond (cli-socks + (let ((cli (car cli-socks))) + (cond ((si::listen cli) + (secure-block cli (eval (read cli))) + (si::close cli) + (eval-clients (cdr cli-socks))) + (t + (cons cli (eval-clients (cdr cli-socks)))))))))) + (setq clients (eval-clients clients)))) + + (defun stop-server () + (cond (server-socket (si::close server-socket) (setq server-socket nil))) + (cond (clients + (labels ((close-clients (cli-socks) + (si::close (car cli-socks)) + (close-clients (cdr cli-socks)))) + (close-clients clients)) + (setq clients nil))))) ;;; GaCeLa Functions -(let (commands) - (defun prog-command (command) - (setq commands (cons command commands))) - - (defun run-commands () - (cond (commands - (let (running) - (setq running commands) - (setq commands nil) - (labels ((run-com (comlst) - (cond (comlst (run-com (cdr comlst)) - (eval (read-from-string (concatenate 'string "(progn " (car comlst) ")"))))))) - (run-com running))))))) - (let (time (time-per-frame (/ 1000.0 *frames-per-second*))) (defun set-frames-per-second (fps) (setq time-per-frame (/ 1000.0 fps))) @@ -239,29 +250,63 @@ (let ((frame-time (- (SDL_GetTicks) time))) (cond ((< frame-time time-per-frame) (SDL_Delay (- time-per-frame frame-time))))))) - -(defmacro run-game (title &body code) - `(progn + +(let ((ptitle "") (pwidth *width-screen*) (pheight *height-screen*) (pbpp *bpp-screen*) (pfps *frames-per-second*) (pmode '2d)) + (defun set-game-properties (&key title width height bpp fps mode) + (init-video-mode) + (when title (progn (setq ptitle title) (SDL_WM_SetCaption title ""))) + (when (or width height bpp) + (progn + (when width (setq pwidth width)) + (when height (setq pheight height)) + (when bpp (setq pbpp bpp)) + (resize-screen pwidth pheight pbpp))) + (when fps (progn (setq pfps fps) (set-frames-per-second fps))) + (when mode (progn (setq pmode mode) (if (eq mode '3d) (set-3d-mode) (set-2d-mode)))) + (get-game-properties)) + + (defun get-game-properties () + (list :title ptitle :width pwidth :height pheight :bpp pbpp :fps pfps :mode pmode))) + + +(defmacro run-game (&body code) + `(let ((game-function (lambda () ,@code))) (init-video-mode) - (SDL_WM_SetCaption ,title "") - (init-frame-time) - (process-events) - (do () ((quit?)) - (glClear (+ GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT)) - (glLoadIdentity) - ,@code - (SDL_GL_SwapBuffers) - (delay-frame) - (init-frame-time) - (process-events) - (setq running nil)))) + (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-audio) (quit-video-mode) -; (quit-all-procs) +; (quit-all-mobs) + (kill-all-objects) ; (clear-events) ; (quit-events) (quit-sdl))