;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
-(use-modules (srfi srfi-1))
-
-;;; Actions for mobs
-
-(define-macro (define-action name attr . code)
- `(define (,name mob-attr)
- (let ,attr
- ,@code
- ,(cons 'begin (map #'attribute-save (reverse attr)))
- mob-attr)))
-
-(defun attribute-save (attribute)
- (let* ((name (cond ((listp attribute) (car attribute))
- (t attribute)))
- (pname (attribute-name name)))
- `(setf (getf object-attr ,pname) ,name)))
-
-
-
-;;; Mob Factory
-
-(define-macro (makemob name . methods)
- `(define* (,name . args)
- (let ((option (car args)))
- ,(lset-union eq?
- `(case option
- (:on (mob-on ',name))
- (:off (mob-off ',name)))
- (define (options m)
- (let ((option (car m)) (body (cadr m)))
- (cond ((null? m) '())
- (else (cons (list option `(apply ,body (cdr args))) (options (cddr m)))))))
- (options methods)))))
-
-(define-macro (makemob name . methods)
- (define (options m)
- (cond ((null? m) '((else #f)))
- (else
- (let ((option (caar m)) (body (cadar m)))
- (cons `((,option) (apply ,body (cdr args))) (options (cdr m)))))))
- (let ((m (options methods)))
- `(define (,name . args)
- (let ((option (car args)))
- (case option
- ((#:on) (mob-on ',name))
- ((#:off) (mob-off ',name))
- ,@m)))))
+;;; Mobs Factory
+(define show-mob-hash #f)
+(define hide-mob-hash #f)
+(define refresh-active-mobs #f)
+(define get-active-mobs #f)
+(define hide-all-mobs #f)
+(define mobs-changed? #f)
-(define mob-on #f)
-(define run-mobs #f)
-(define mob-off #f)
-(define refresh-running-mobs #f)
-(define quit-all-mobs #f)
+(let ((mobs-table (make-hash-table))
+ (active-mobs '())
+ (changed #f))
-(let ((running-mobs '()) (mobs-to-add '()) (mobs-to-quit '()))
- (set! mob-on
- (lambda (mob)
- (push mob mobs-to-add)))
-
- (set! run-mobs
- (lambda* (option #:key args function)
- (define (run-mobs-rec mobs)
- (cond ((null? mobs) #f)
- (else
- (cond (function (function)))
- (catch #t (lambda () (apply (car mobs) (cons option args))) (lambda (key . args) #f))
- (or #t (run-mobs-rec (cdr mobs))))))
- (run-mobs-rec running-mobs)))
-
- (set! mob-off
+ (set! show-mob-hash
(lambda (mob)
- (push mob mobs-to-quit)))
+ (hash-set! mobs-table (mob 'get-mob-id) mob)
+ (set! changed #t)))
- (set! refresh-running-mobs
- (lambda ()
- (do ((mob (pop mobs-to-add) (pop mobs-to-add))) ((null? mob))
- (push mob running-mobs)
- (catch #t (lambda () (mob #:init)) (lambda (key . args) #f)))
- (set! running-mobs (reverse (lset-difference eq? running-mobs mobs-to-quit)))
- (set! mobs-to-quit '())))
+ (set! hide-mob-hash
+ (lambda (mob-id)
+ (hash-remove! mobs-table mob-id)
+ (set! changed #t)))
- (set! quit-all-mobs
+ (set! refresh-active-mobs
(lambda ()
- (set! running-mobs '())
- (set! mobs-to-add '())
- (set! mobs-to-quit '()))))
+ (cond (changed
+ (set! changed #f)
+ (set! active-mobs (hash-map->list (lambda (k v) v) mobs-table))))))
+ (set! get-active-mobs
+ (lambda () active-mobs))
-(define (logic-mobs)
- (run-mobs #:logic))
-
-(define (render-mobs)
- (run-mobs #:render #:function (lambda () (glLoadIdentity))))
+ (set! hide-all-mobs
+ (lambda ()
+ (set! changed #t)
+ (hash-clear! mobs-table)))
+
+ (set! mobs-changed?
+ (lambda () 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)
+ (glPushMatrix)
+ (m)
+ (glPopMatrix))
+ mobs))
+
+
+;;; Making mobs
+
+(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 (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 (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