#:use-module (ice-9 optargs)
#:export (load-texture
load-font
+ *title*
+ *width-screen*
+ *height-screen*
+ *bpp-screen*
+ *frames-per-second*
+ *mode*
set-game-properties!
get-game-properties
init-gacela
quit-gacela
game-loop
game-running?
- set-game-code)
- #:export-syntax (game)
+ set-game-code
+ show-mob-hash
+ hide-mob-hash
+ hide-all-mobs)
+ #:export-syntax (game
+ show-mob
+ hide-mob
+ the-mob
+ define-mob
+ lambda-mob)
#:re-export (get-current-color
set-current-color
with-color
add-light
set-camera
camera-look
- render-text))
+ render-text
+ get-frame-time))
;;; Resources Cache
(use-cache-with (gacela video) load-font)
-;;; Game Properties
-
-(define title "Gacela")
-(define width-screen 640)
-(define height-screen 480)
-(define bpp-screen 32)
-(define frames-per-second 20)
-(define mode '2d)
-
-(define* (set-game-properties! #:key title width height bpp fps mode)
- (if title
- (set-screen-title! title))
- (if bpp
- (set-screen-bpp! bpp))
- (if (or width height)
- (begin
- (if (not width) (set! width (get-screen-width)))
- (if (not height) (set! height (get-screen-height)))
- (resize-screen width height)))
- (if fps
- (set-frames-per-second fps))
- (if mode
- (if (eq? mode '3d) (set-3d-mode) (set-2d-mode)))
- (get-game-properties))
-
-(define (get-game-properties)
- `((title . ,(get-screen-title)) (width . ,(get-screen-width)) (height . ,(get-screen-height)) (bpp . ,(get-screen-bpp)) (fps . ,pfps) (mode . ,pmode)))
-
-
;;; Main Loop
(define loop-flag #f)
(define game-code #f)
+(define game-loop-thread #f)
(define-macro (game . code)
`(let ((game-function ,(if (null? code)
(cond ((not (game-running?))
(game-loop)))))
+(define-macro (run-in-game-loop . code)
+ `(if game-loop-thread
+ (system-async-mark (lambda () ,@code) game-loop-thread)
+ (begin ,@code)))
+
(define (init-gacela)
- (call-with-new-thread (lambda () (game))))
+ (set! game-loop-thread (call-with-new-thread (lambda () (game)))))
(define (quit-gacela)
+ (set! game-loop-thread #f)
(set! loop-flag #f))
(define (game-loop)
-; (refresh-active-mobs)
+ (refresh-active-mobs)
(set! loop-flag #t)
- (init-video 640 480 32)
+ (init-video *width-screen* *height-screen* *bpp-screen* #:title *title* #:mode *mode* #:fps *frames-per-second*)
(while loop-flag
(init-frame-time)
; (check-connections)
(process-events)
- (cond ((not (quit?))
+ (cond ((quit-signal?)
+ (quit-gacela))
+ (else
(clear-screen)
(to-origin)
-; (refresh-active-mobs)
+ (refresh-active-mobs)
(if (procedure? game-code)
(catch #t
(lambda () (game-code))
(lambda (key . args) #f)))
-; (run-mobs)
+ (run-mobs)
(flip-screen)
(delay-frame))))
(quit-video))
(define (set-game-code game-function)
(set! game-code game-function))
+
+
+;;; Game Properties
+
+(define *title* "Gacela")
+(define *width-screen* 640)
+(define *height-screen* 480)
+(define *bpp-screen* 32)
+(define *frames-per-second* 20)
+(define *mode* '2d)
+
+(define* (set-game-properties! #:key title width height bpp fps mode)
+ (if title
+ (set-screen-title! title))
+ (if bpp
+ (run-in-game-loop (set-screen-bpp! bpp)))
+ (if (or width height)
+ (begin
+ (if (not width) (set! width (get-screen-width)))
+ (if (not height) (set! height (get-screen-height)))
+ (run-in-game-loop (resize-screen width height))))
+ (if fps
+ (set-frames-per-second! fps))
+ (if mode
+ (if (eq? mode '3d) (set-3d-mode) (set-2d-mode))))
+
+(define (get-game-properties)
+ `((title . ,(get-screen-title)) (width . ,(get-screen-width)) (height . ,(get-screen-height)) (bpp . ,(get-screen-bpp)) (fps . ,(get-frames-per-second)) (mode . ,(if (3d-mode?) '3d '2d))))
+
+
+;;; Mobs Factory
+
+(define mobs-table (make-hash-table))
+(define active-mobs '())
+(define mobs-changed #f)
+
+(define (show-mob-hash mob)
+ (hash-set! mobs-table (mob 'get-mob-id) mob)
+ (set! mobs-changed #t))
+
+(define (hide-mob-hash mob-id)
+ (hash-remove! mobs-table mob-id)
+ (set! mobs-changed #t))
+
+(define (refresh-active-mobs)
+ (cond (mobs-changed
+ (set! mobs-changed #f)
+ (set! active-mobs (hash-map->list (lambda (k v) v) mobs-table)))))
+
+(define (get-active-mobs)
+ active-mobs)
+
+(define (hide-all-mobs)
+ (set! mobs-changed #t)
+ (hash-clear! mobs-table))
+
+(define (mobs-changed?)
+ mobs-changed)
+
+
+(define-macro (show-mob mob)
+ (cond ((list? mob)
+ `(let ((m ,mob))
+ (show-mob-hash m)))
+ (else
+ `(show-mob-hash (lambda* (#:optional (option #f)) (,mob option))))))
+
+(define-macro (hide-mob mob)
+ (cond ((list? mob)
+ `(let ((m ,mob))
+ (hide-mob-hash (m 'get-mob-id))))
+ (else
+ `(hide-mob-hash (,mob 'get-mob-id)))))
+
+(define* (run-mobs #:optional (mobs (get-active-mobs)))
+ (for-each
+ (lambda (m)
+ (glmatrix-block (m)))
+ mobs))
+
+
+;;; Making mobs
+
+(define-macro (the-mob type attr publish . body)
+ (let ((mob-id-symbol (gensym))
+ (type-symbol (gensym))
+ (time-symbol (gensym))
+ (data-symbol (gensym)))
+ `(let ((,mob-id-symbol (gensym))
+ (,type-symbol ,type)
+ (,time-symbol 0)
+ (,data-symbol '())
+ ,@attr)
+ (lambda* (#:optional (option #f))
+ (define (kill-me)
+ (hide-mob-hash ,mob-id-symbol))
+ (define (save-data)
+ (let ((time (get-frame-time)))
+ (cond ((not (= time ,time-symbol))
+ (set! ,time-symbol time)
+ (set! ,data-symbol ,(cons 'list (map (lambda (x) `(cons ',(car x) ,(car x))) publish)))))))
+ (define (get-data)
+ ,data-symbol)
+ (define (filter-mobs type fun)
+ #t)
+ (define (map-mobs fun type)
+ (let ((mobs (filter (lambda (m) (and (eq? (m 'get-type) type) (not (eq? (m 'get-mob-id) ,mob-id-symbol)))) (get-active-mobs))))
+ (map (lambda (m) (fun (m 'get-data))) mobs)))
+ (case option
+ ((get-mob-id)
+ ,mob-id-symbol)
+ ((get-type)
+ ,type-symbol)
+ ((get-data)
+ (save-data)
+ ,data-symbol)
+ (else
+ (save-data)
+ (catch #t
+ (lambda () ,@body)
+ (lambda (key . args) #f))))))))
+
+(define-macro (define-mob mob-head . body)
+ (let ((name (car mob-head)) (attr (cdr mob-head)))
+ `(define ,(string->symbol (string-concatenate (list "make-" (symbol->string name))))
+ (lambda* ,(if (null? attr) '() `(#:key ,@attr))
+ (the-mob ',name () ,attr ,@body)))))
+
+(define-macro (lambda-mob attr . body)
+ `(the-mob 'undefined ,attr '() ,@body))
+
+
+;;; Collisions
+
+;; (define-macro (lambda-mob-data attr . body)
+;; `(lambda ,attr ,@body))
+
+;; (define-macro (define-collision-check name mobs . body)
+;; `(defmacro* ,name (#:optional m)
+;; `(let ,(cond (m `((mob-id (,m 'get-mob-id)) (mob-type (,m 'get-type))))
+;; (else `()))
+
+;; mob-id)))
projects / gacela.git / blobdiff