;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
-(use-modules (srfi srfi-1))
+;;; 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! 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 ()
+ (set! changed #t)
+ (hash-clear! active-mobs)))
-;;; Actions for 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))))))
-;;; Mob Factory
+(define-macro (hide-mob mob)
+ `(hide-mob-hash ',mob))
-(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 (run-mobs-logic mobs)
+ (for-each (lambda (m) (m 'run-logic)) mobs))
-(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
- (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 '())))
+(define (render-mobs mobs)
+ (for-each (lambda (m) (m 'render)) mobs))
- (set! quit-all-mobs
- (lambda ()
- (set! running-mobs '())
- (set! mobs-to-add '())
- (set! mobs-to-quit '()))))
+;;; Logics and looks for mobs
+
+(define (get-attr list name default)
+ (let ((value (assoc-ref list name)))
+ (cond (value (car value))
+ (else default))))
-(define (logic-mobs)
- (run-mobs #:logic))
+(define (attr-def attr)
+ (let ((name (car attr))
+ (value (cadr attr)))
+ `(,name (get-attr attributes ',name ',value))))
-(define (render-mobs)
- (run-mobs #:render #:function (lambda () (glLoadIdentity))))
+(define (attr-save attr)
+ (let ((name (car attr)))
+ `(set! attributes (assoc-set! attributes ',name (list ,name)))))
+
+(define-macro (define-mob-logic logic-head . code)
+ (let ((name (car logic-head)) (attr (cdr logic-head)))
+ `(define ,name
+ (lambda-mob-logic ,attr ,@code))))
+
+(define-macro (lambda-mob-logic attr . code)
+ `(lambda (attributes)
+ (let ,(map attr-def attr)
+ ,@code
+ ,(cons 'begin (map attr-save attr))
+ attributes)))
+
+(define-macro (define-mob-look look-head . code)
+ (let ((name (car look-head)) (attr (cdr look-head)))
+ `(define ,name
+ (lambda-mob-look ,attr ,@code))))
+
+(define-macro (lambda-mob-look attr . look)
+ (define (process-look look)
+ (cond ((null? look) (values '() '()))
+ (else
+ (let ((line (car look)))
+ (receive (lines images) (process-look (cdr look))
+ (cond ((string? line)
+ (let ((var (gensym)))
+ (values (cons `(draw-texture ,var) lines)
+ (cons `(,var (load-texture ,line)) images))))
+ (else
+ (values (cons line lines)
+ images))))))))
+
+ (receive (look-lines look-images) (process-look look)
+ `(let ,look-images
+ (lambda (attributes)
+ (let ,(map attr-def attr)
+ (glPushMatrix)
+ ,@look-lines
+ (glPopMatrix))))))
+
+
+;;; Making mobs
+
+(define-macro (define-mob mob-head . look)
+ (let ((name (car mob-head)) (attr (cdr mob-head)))
+ `(define ,name
+ (lambda-mob ,attr ,@look))))
+
+(define-macro (lambda-mob attr . look)
+ `(let ((mob #f))
+ (set! mob
+ (let ((attr ',attr) (actions '()) (looks '()))
+ (lambda (option . params)
+ (case option
+ ((get-attr)
+ attr)
+ ((set-attr)
+ (if (not (null? params)) (set! attr (car params))))
+ ((get-actions)
+ actions)
+ ((set-actions)
+ (if (not (null? params)) (set! actions (car params))))
+ ((get-looks)
+ looks)
+ ((set-looks)
+ (if (not (null? params)) (set! looks (car params))))
+ ((run-actions)
+ (for-each
+ (lambda (action)
+ (set! attr ((cdr action) attr)))
+ actions))
+ ((render)
+ (for-each
+ (lambda (look)
+ ((cdr look) attr))
+ looks))))))
+ (cond ((not (null? ',look))
+ (mob 'set-looks
+ (list (cons
+ 'default-look
+ (lambda-look ,attr ,@look))))))
+ mob))
+
+(define-macro (define-mob mob-def)
+ (let ((name (car mob-def)) (def (cdr mob-def)))
+ `(define ,name
+ (lambda-mob ,@def))))
+
+(defmacro* lambda-mob (#:key (attr '(quote ())) (logic #f) (look #f))
+ `(let ((attr ,attr) (logic ,logic) (look ,look))
+ (lambda (option . params)
+ (case option
+ ((get-attr)
+ attr)
+ ((set-attr)
+ (if (not (null? params)) (set! attr (car params))))
+ ((get-logic)
+ logic)
+ ((set-logic)
+ (if (not (null? params)) (set! logic (car params))))
+ ((get-look)
+ look)
+ ((set-look)
+ (if (not (null? params)) (set! look (car params))))
+ ((run-logic)
+ (cond (logic
+ (catch #t
+ (lambda () (set! attr (logic attr)))
+ (lambda (key . args) #f)))))
+ ((render)
+ (cond (look
+ (catch #t
+ (lambda () (look attr))
+ (lambda (key . args) #f)))))))))
+
+
+(define (get-mob-attr mob var)
+ (let ((value (assoc-ref (mob 'get-attr) var)))
+ (if value (car value) #f)))
+
+(define (set-mob-attr! mob var value)
+ (mob 'set-attr (assoc-set! (mob 'get-attr) var (list value))))
+
+(define (set-mob-logic! mob logic)
+ (mob 'set-logic logic))
+
+(define (set-mob-look! mob look)
+ (mob 'set-look look))
+
+
+
+
+
+(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-mob ,attr ,@body))))
+
+(define-macro (lambda-mob attr . body)
+ `(lambda ()
+ (let ,(cons '(mob-id (gensym)) attr)
+ (lambda* (#:optional (option #f))
+ (case option
+ ((get-mob-id)
+ mob-id)
+ (else
+ (catch #t
+ (lambda () ,@body)
+ (lambda (key . args) #f))))))))
projects / gacela.git / blobdiff