(no commit message)

[gacela.git] / src / gacela_mobs.scm

diff --git a/src/gacela_mobs.scm b/src/gacela_mobs.scm
index 3f7fb74e627323130b94ff86b2758dcb001fab0a..8120e0369b649f089e7508dcdb83a5e3adbd2f5f 100755 (executable)
--- a/src/gacela_mobs.scm
+++ b/src/gacela_mobs.scm
@@ -17,33 +17,77 @@
 
 ;;; Mobs Factory
 
-(define add-mob #f)
-(define kill-mob #f)
+(define show-mob-hash #f)
+(define hide-mob-hash #f)
 (define get-active-mobs #f)
-(define reload-mobs? #f)
-(define reload-mobs #f)
+(define mobs-changed? #f)
 
-(let ((active-mobs '(m1 m2)) (reload #f))
-  (set! add-mob
-       (lambda (mob)
-         (pushnew (procedure-name mob) active-mobs)
-         (set! reload #t)))
+(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! kill-mob
-       (lambda (mob)
-         (set! active-mobs (lset-difference eq? active-mobs (list (procedure-name mob))))
-         (set! reload #t)))
+  (set! hide-mob-hash
+       (lambda (key)
+         (hash-remove! key)
+         (set! changed #t)))
 
   (set! get-active-mobs
-       (lambda () active-mobs))
+       (lambda* (#:optional (refreshed #t))
+         (set! changed (not refreshed))
+         (hash-map->list (lambda (k v) v) active-mobs)))
 
-  (set! reload-mobs?
-       (lambda () reload))
+  (set! mobs-changed?
+       (lambda () changed)))
 
-  (set! reload-mobs
-       (lambda ()
-         #f)))
 
-(define-macro (get-mobs-function)
-  (let ((mobs (get-active-mobs)))
-    `(lambda () ,@(map (lambda (mob) `(,mob)) ,mobs))))
+(define-macro (show-mob mob)
+  `(show-mob-hash ',mob (lambda (option) (,mob option))))
+
+(define-macro (hide-mob mob)
+  `(hide-mob-hash ',mob))
+
+(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))))))))
+
+  (receive (look-lines look-images) (process-look look)
+          `(let ,look-images
+               (lambda ()
+                 (glPushMatrix)
+                 ,@look-lines
+                 (glPopMatrix)))))
+
+(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))