;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
-(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* 30)
-;(defvar *gacela-freq* 100)
-(defvar *transparent-color* '(:red 0 :green 0 :blue 0))
-(defvar *background-color* '(:red 0 :green 0 :blue 0))
+(defvar *frames-per-second* 20)
;;; SDL Initialization Subsystem
(let (initialized)
;;; Video Subsystem
-(defstruct surface address clip-w clip-h shape)
-
-(let (screen flags)
+(let (screen flags (current-width *width-screen*) (current-height *height-screen*) current-bpp)
- (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)
(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 flip ()
- (cond ((null screen) nil)
- (t (SDL_Flip screen))))
+ (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 create-surface (width height &key (trans-color *transparent-color*))
- (init-video-mode)
- (let ((new-surface (make-surface
- :address (create-SDL_Surface
- (surface-address screen)
- width
- height
- (getf trans-color :red)
- (getf trans-color :green)
- (getf trans-color :blue)))))
- (set-resource 'image new-surface (gentemp))
- new-surface))
-
- (defun print-surface (x y surface)
- (apply-surface x y surface screen)
- surface)
+ (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)
t)
-(defun init-textures ()
- (init-video-mode)
- (glEnable GL_TEXTURE_2D))
-
(defun init-lighting ()
(init-video-mode)
(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))
-
-(defun copy-surface (source)
- (cond ((surface-p source)
- (let ((new-surface
- (make-surface :address (copy-SDL_Surface (surface-address source))
- :clip-w (surface-clip-w source)
- :clip-h (surface-clip-h source)
- :shape (surface-shape source))))
- (set-resource 'image new-surface (gentemp))
- new-surface))))
+ (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 ()
+ current-color)
+
+ (defun set-current-color (red green blue &optional (alpha 1))
+ (setq current-color (list red green blue alpha))
+ (glColor4f red green blue alpha)))
(defun load-image (image-file &key (transparent-color nil))
(init-video-mode)
(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 apply-surface (x y source destination)
- (let ((offset (SDL_Rect x y 0 0)))
- (SDL_BlitSurface source 0 destination offset)
- (free offset)
- destination))
-
-(defun apply-surface-old (x y source destination &optional (clip nil))
- (cond ((null clip)
- (apply-surface2 x y (surface-address source) (surface-address destination) 0 0 0 0 0))
- ((integerp clip)
- (apply-surface2 x y (surface-address source) (surface-address destination) 0 0
- (surface-clip-w source) (surface-clip-h source) clip))
- (t
- (apply-surface2 x y (surface-address source) (surface-address destination)
- (first clip) (second clip) (third clip) (fourth clip) 0)))
- destination)
-
-
-(defun print-image (x y image-file &optional (clip nil))
- (init-video-mode)
- (let ((image (load-image image-file)))
- (print-surface x y image clip)
- image))
-
-
-(defun clean-screen ()
- (fill-screen *background-color*))
-
-(defun refresh-screen ()
- (clean-screen)
- (funcall-procs #'print-mob)
- (flip))
-
-
-(defun filled-circle (radius &optional (color '(:red 255 :green 255 :blue 255)))
- (init-video-mode)
- (let ((new-surface (create-surface (1+ (* radius 2)) (1+ (* radius 2)))))
- (sge_FilledCircle (surface-address new-surface)
- radius radius radius
- (getf color :red)
- (getf color :green)
- (getf color :blue))
- (setf (surface-shape new-surface)
- `((,radius ,radius) ,radius))
- new-surface))
-
-
-(defun filled-rect (width height &optional (color '(:red 255 :green 255 :blue 255)))
- (init-video-mode)
- (let ((new-surface (create-surface width height)))
- (sge_FilledRect (surface-address new-surface)
- 0 0 width height
- (getf color :red)
- (getf color :green)
- (getf color :blue))
- (setf (surface-shape new-surface)
- (make-rectangle 0 0 width height))
- new-surface))
-
-
-;;; TTF Subsystem
-(defstruct font address)
-
-(let ((ttf nil))
-
- (defun init-ttf ()
- (cond ((null ttf) (progn (init-sdl) (setq ttf (TTF_Init))))
- (t ttf)))
-
- (defun quit-ttf ()
- (setq ttf (TTF_Quit))))
-
-
-(defun open-font (font-name tam)
- (init-ttf)
- (let ((font (get-resource 'font font-name tam)))
- (if (null font)
- (progn (setq font (make-font :address (TTF_OpenFont font-name tam)))
- (set-resource 'font font font-name tam)))
- font))
-
-
-(defun render-text (text-message
- &key (color '(:red 255 :green 255 :blue 255))
- (font-name "lazy.ttf") (tam 28))
- (init-ttf)
- (let ((message (get-resource 'text text-message color font-name tam)))
- (if (null message)
- (progn
- (setq message
- (make-surface
- :address (render-text2 (open-font font-name tam)
- text-message
- (getf color :red)
- (getf color :green)
- (getf color :blue))))
- (set-resource 'text message text-message color font-name tam)))
- message))
-
-
-(defun print-text (x y text-message
- &key (color '(:red 255 :green 255 :blue 255))
- (font-name "lazy.ttf") (tam 28))
- (init-video-mode)
- (init-ttf)
- (let ((message (render-text text-message :color color :font-name font-name :tam tam)))
- (print-surface x y message)
- message))
-
;;; 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 ()
;;; Resources Manager
-(defstruct resource address free-function object)
-
-(let ((resources-table (make-hash-table :test 'equal)))
-
- (defun set-resource (type object &rest key)
- (let ((res
- (cond ((surface-p object)
- (make-resource :address (surface-address object)
- :free-function #'SDL_FreeSurface
- :object object))
- ((font-p object)
- (make-resource :address (font-address object)
- :free-function #'TTF_CloseFont
- :object object))
- ((cp-space-p object)
- (make-resource :address (cp-space-address object)
- :free-function #'cpSpaceFree
- :object object))
- ((cp-body-p object)
- (make-resource :address (cp-body-address object)
- :free-function #'cpBodyFree
- :object object))
- ((cp-shape-p object)
- (make-resource :address (cp-shape-address object)
- :free-function #'cpShapeFree
- :object object))
- (t nil))))
- (cond (res (setf (gethash `(,type ,@key) resources-table) res)))))
-
- (defun get-resource (type &rest key)
- (let ((resource (gethash `(,type ,@key) resources-table)))
- (cond ((null resource) nil)
- (t (resource-object resource)))))
+(defstruct resource plist constructor destructor time)
- (defun free-all-resources ()
- (maphash (lambda (key res) (funcall (resource-free-function res) (resource-address res)))
- resources-table)
- (clrhash resources-table)))
+(defun make-resource-texture (&key filename min-filter mag-filter)
+ `(:type texture :filename ,filename :min-filter ,min-filter :mag-filter ,mag-filter))
+
+(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)))
+
+(defmacro get-rplist (key)
+ `(resource-plist (gethash ,key resources-table)))
+
+(defmacro get-rconstructor (key)
+ `(resource-constructor (gethash ,key resources-table)))
+
+(defmacro get-rdestructor (key)
+ `(resource-destructor (gethash ,key resources-table)))
+
+(let ((resources-table (make-hash-table :test 'equal))
+ (expiration-time 50000))
+ (defun set-expiration-time (new-time)
+ (setq expiration-time new-time))
-;;; Connection with the GUI
-(let (socket)
- (defun connect-to-gui ()
- (setq socket (si::socket 1984 :host "localhost")))
+ (defun set-resource (key plist constructor destructor &key static)
+ (expire-resources)
+ (setf (gethash key resources-table)
+ (make-resource :plist plist
+ :constructor constructor
+ :destructor destructor
+ :time (if static t (SDL_GetTicks)))))
- (defun eval-from-gui ()
- (cond ((and socket (listen socket)) (eval (read socket))))))
+ (defun get-resource (key)
+ (cond ((null (gethash key resources-table)) nil)
+ (t (let ((time (get-rtime key)))
+ (cond ((null time) (funcall (get-rconstructor key)))
+ ((numberp time) (setf (get-rtime key) (SDL_GetTicks))))
+ (get-rplist key)))))
+
+ (defun free-resource (key)
+ (funcall (get-rdestructor key))
+ (setf (get-rtime key) nil))
+
+ (defun expire-resource (key &optional (now (SDL_GetTicks)))
+ (let ((time (get-rtime key)))
+ (cond ((and (numberp time) (> (- now time) expiration-time)) (free-resource key)))))
+
+ (defun expire-resources ()
+ (maphash (lambda (key res) (expire-resource key)) resources-table))
+
+ (defun free-all-resources ()
+ (maphash (lambda (key res) (free-resource key)) resources-table)))
+
+
+;;; 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
-;(defun game-loop (code)
-; (process-events)
-; (cond ((quit?) nil)
-; (t
-; (glClear (+ GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT))
-; (glLoadIdentity)
-; (translate 0 0 *zoom*)
-; (funcall code)
-; (SDL_GL_SwapBuffers)
-; (SDL_Delay (- *gacela-freq* (rem (SDL_GetTicks) *gacela-freq*)))
-; (game-loop code))))
-
-(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)))))))
-
-(defmacro run-game (title &body code)
- `(let ((fpstemp (make-timer)))
+(let (time (time-per-frame (/ 1000.0 *frames-per-second*)))
+ (defun set-frames-per-second (fps)
+ (setq time-per-frame (/ 1000.0 fps)))
+
+ (defun init-frame-time ()
+ (setq time (SDL_GetTicks)))
+
+ (defun delay-frame ()
+ (let ((frame-time (- (SDL_GetTicks) time)))
+ (cond ((< frame-time time-per-frame)
+ (SDL_Delay (- time-per-frame frame-time)))))))
+
+
+(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 "")
- (process-events)
- (do () ((quit?))
- (start-timer fpstemp)
- (glClear (+ GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT))
- (glLoadIdentity)
- ,@code
- (SDL_GL_SwapBuffers)
- (let ((frame-time (get-time fpstemp)) (time-per-frame (/ 1000.0 *frames-per-second*)))
- (cond ((< frame-time time-per-frame)
- (SDL_Delay (- time-per-frame frame-time)))))
-; (SDL_Delay (- *gacela-freq* (rem (SDL_GetTicks) *gacela-freq*)))
- (process-events)
- (setq running nil))))
-
-;(defun run-game ()
-; (init-video-mode)
-; (SDL_WM_SetCaption *title-screen* "")
-; (refresh-active-procs)
-; (enjoy!)
-; (do () ((quit?))
-; (process-events)
-; (logic-procs)
-; (motion-procs)
-; (refresh-active-procs)
-; (refresh-screen)
-; (SDL_Delay (- *gacela-freq* (rem (SDL_GetTicks) *gacela-freq*)))))
+ (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-ttf)
+ (free-all-resources)
+ (quit-audio)
(quit-video-mode)
-; (quit-all-procs)
+; (quit-all-mobs)
+ (kill-all-objects)
; (clear-events)
; (quit-events)
(quit-sdl))
projects / gacela.git / blobdiff