(no commit message)

[gacela.git] / src / gacela_mobs.scm

diff --git a/src/gacela_mobs.scm b/src/gacela_mobs.scm
index 6081cb4af4cbd6ca683693bcaa8205dd11683696..8120e0369b649f089e7508dcdb83a5e3adbd2f5f 100755 (executable)
--- a/src/gacela_mobs.scm
+++ b/src/gacela_mobs.scm
@@ -15,65 +15,79 @@
 ;;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-(use-modules (srfi srfi-1))
+;;; Mobs Factory
 
-;;; Mob Factory
+(define show-mob-hash #f)
+(define hide-mob-hash #f)
+(define get-active-mobs #f)
+(define mobs-changed? #f)
 
-(define-macro (makemob name . methods)
-  `(define* (,name . args)
-     (let ((option (car args)))
-       ,(union
-        `(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)))))
+(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)))
 
-(define mob-on #f)
-(define run-mobs #f)
-(define mob-off #f)
-(define refresh-running-mobs #f)
-(define quit-all-mobs #f)
+  (set! get-active-mobs
+       (lambda* (#:optional (refreshed #t))
+         (set! changed (not refreshed))
+         (hash-map->list (lambda (k v) v) active-mobs)))
 
-(let ((running-mobs '()) (mobs-to-add '()) (mobs-to-quit '()))
-  (set! mob-on
-       (lambda (mob)
-         (push mob mobs-to-add)))
+  (set! mobs-changed?
+       (lambda () changed)))
 
-  (set! run-mobs
-       (lambda* (option #:key args function)
-         (define (run-mobs-rec mobs)
-           (cond ((null? mobs) #f)
-                 (else
-                  (cond (function (function)))
-                  (secure-block #f (apply (car mobs) (cons option args)))
-                  (or #t (run-mobs-rec (cdr mobs))))))))
 
-  (set! mob-off
-       (lambda (mob)
-         (push mob mobs-to-quit)))
+(define-macro (show-mob mob)
+  `(show-mob-hash ',mob (lambda (option) (,mob option))))
 
-  (set! refresh-running-mobs
-       (lambda ()
-         (do ((mob (pop mobs-to-add) (pop mobs-to-add))) ((null? mob))
-           (push mob running-mobs)
-           (secure-block nil (mob #:init)))
-         (set! running-mobs (reverse (lset-difference eq? running-mobs mobs-to-quit)))
-         (set! mobs-to-quit '())))
+(define-macro (hide-mob mob)
+  `(hide-mob-hash ',mob))
 
-  (set! quit-all-mobs
-       (lambda ()
-         (set! running-mobs '())
-         (set! mobs-to-add '())
-         (set! mobs-to-quit '()))))
+(define (process-mobs mobs)
+  (for-each (lambda (m) (m #:render)) mobs))
 
+(define-macro (lambda-look . 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))))))))
 
-(define (logic-mobs)
-  (run-mobs #:logic))
+  (receive (look-lines look-images) (process-look look)
+          `(let ,look-images
+               (lambda ()
+                 (glPushMatrix)
+                 ,@look-lines
+                 (glPopMatrix)))))
 
-(define (render-mobs)
-  (run-mobs #:render #:function (lambda () (glLoadIdentity))))
+(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 '()) (renders '()))
+            (lambda (option . params)
+              (case option
+                ((get-attr)
+                 attr)
+                ((set-attr)
+                 (if (not (null? params)) (set! attr (car params))))))))
+     (cond ((not (null? ',look))
+           (display ',look)
+           (newline)))
+     mob))