;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
-(use-modules (srfi srfi-1))
-
-;;; Actions for mobs
-
-(define-macro (define-action action-def . code)
- `(define (,name mob-attr)
- ,@code))
-
-(define-macro (define-action2 name attr . code)
- `(define (,name mob-attr)
- (let ,attr
- ,@code
- ,(cons 'begin (map #'attribute-save (reverse attr)))
- mob-attr)))
-
-
-
-;;; 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)))))
-
-
-(define mob-on #f)
-(define run-mobs #f)
-(define mob-off #f)
-(define refresh-running-mobs #f)
-(define quit-all-mobs #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
- (lambda (mob)
- (push mob mobs-to-quit)))
-
- (set! refresh-running-mobs
+;;; Mobs Factory
+
+(define show-mob-hash #f)
+(define hide-mob-hash #f)
+(define get-active-mobs #f)
+(define clear-active-mobs #f)
+(define mobs-changed? #f)
+
+(let ((active-mobs (make-hash-table)) (changed #f))
+ (set! show-mob-hash
+ (lambda (key mob)
+ (hash-set! active-mobs key mob)
+ (set! changed #t)))
+
+ (set! hide-mob-hash
+ (lambda (key)
+ (hash-remove! active-mobs key)
+ (set! changed #t)))
+
+ (set! get-active-mobs
+ (lambda* (#:optional (refreshed #t))
+ (set! changed (not refreshed))
+ (hash-map->list (lambda (k v) v) active-mobs)))
+
+ (set! clear-active-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! quit-all-mobs
+ (set! changed #t)
+ (hash-clear! active-mobs)))
+
+ (set! mobs-changed?
+ (lambda () changed)))
+
+
+(define-macro (show-mob mob)
+ (cond ((list? mob)
+ `(let ((m ,mob))
+ (show-mob-hash (m 'get-mob-id) m)))
+ (else
+ `(show-mob-hash (,mob 'get-mob-id) (lambda () (,mob))))))
+
+(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 mobs)
+ (clear-mob-data)
+ (for-each (lambda (m) (m 'publish-data)) mobs)
+ (run-mobs-events)
+ (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)))
+ `(let ((,mob-id-symbol (gensym))
+ (,type-symbol ,type)
+ ,@attr)
+ (lambda* (#:optional (option #f))
+ (define (kill-me)
+ (hide-mob-hash ,mob-id-symbol))
+ (case option
+ ((get-mob-id)
+ ,mob-id-symbol)
+ ((get-type)
+ ,type-symbol)
+ ((publish-data)
+ (cond ((not (null? ',publish))
+ (publish-mob-data ,mob-id-symbol ,type-symbol ,(cons 'list (map (lambda (x) `(cons ',(car x) ,(car x))) publish))))))
+ (else
+ (catch #t
+ (lambda () ,@body)
+ (lambda (key . args) #f))))))))
+
+(define-macro (lambda-mob attr . body)
+ `(the-mob 'undefined ,attr '() ,@body))
+
+
+;;; Events Engine
+
+(define publish-mob-data #f)
+(define clear-mob-data #f)
+(define def-mobs-event #f)
+(define run-mobs-events #f)
+(define return-data #f)
+
+(define published-data (make-hash-table))
+(define mobs-events (make-hash-table))
+(define returned-data (make-hash-table))
+
+(let ((nop #f))
+ (set! publish-mob-data
+ (lambda (mob-id mob-type data)
+ (let ((t (hash-ref published-data mob-type))
+ (i (cons mob-id data)))
+ (hash-set! published-data mob-type
+ (cond (t (cons i t))
+ (else (list i)))))))
+
+ (set! clear-mob-data
(lambda ()
- (set! running-mobs '())
- (set! mobs-to-add '())
- (set! mobs-to-quit '()))))
+ (hash-clear! published-data)
+ (hash-clear! returned-data)))
+ (set! def-mobs-event
+ (lambda (pair fun)
+ (cond ((not fun)
+ (hash-remove! mobs-events pair))
+ (else
+ (hash-set! mobs-events pair fun)))))
-(define (logic-mobs)
- (run-mobs #:logic))
-
-(define (render-mobs)
- (run-mobs #:render #:function (lambda () (glLoadIdentity))))
+ (set! run-mobs-events
+ (lambda ()
+ (hash-for-each
+ (lambda (types fun)
+ (let ((t1 (hash-ref published-data (car types)))
+ (t2 (hash-ref published-data (cadr types))))
+ (cond ((and t1 t2)
+ (for-each
+ (lambda (m1)
+ (for-each
+ (lambda (m2)
+ (let ((res (catch #t
+ (lambda () (fun (cdr m1) (cdr m2)))
+ (lambda (key . args) #f))))
+ (cond ((and (list? res) (>= (length res) 2))
+ (let ((id1 (car m1)) (id2 (car m2))
+ (r1 (car res)) (r2 (cadr res)))
+ (return-data id1 (cadr types) r1)
+ (return-data id2 (car types) r2)
+)))))
+ t2))
+ t1)))))
+ mobs-events)))
+
+ (set! return-data
+ (lambda (mob-id mob-type data)
+ (let* ((key (list mob-id mob-type))
+ (res (hash-ref returned-data key)))
+ (hash-set! returned-data key
+ (cond (res (cons data res))
+ (else (list data))))
+)))
+)
+
+(define-macro (define-mobs-event types-pair . body)
+ `(def-mobs-event
+ ',types-pair
+ ,(cond ((null? body) #f)
+ (else `(lambda (,(car types-pair) ,(cadr types-pair)) ,@body)))))