(no commit message)

[gacela.git] / src / gacela_mobs.scm

diff --git a/src/gacela_mobs.scm b/src/gacela_mobs.scm
index d273556d51de2247e9259141cc38a1c947a50ac0..8120e0369b649f089e7508dcdb83a5e3adbd2f5f 100755 (executable)
--- a/src/gacela_mobs.scm
+++ b/src/gacela_mobs.scm
@@ -17,36 +17,77 @@
 
 ;;; Mobs Factory
 
-(define-macro (hash-add-mob hash-table mob)
-  `(hash-set! ,hash-table (procedure-name ,mob) (lambda () (,mob))))
-
-(define-macro (hash-remove-mob hash-table mob)
-  `(hash-remove! ,hash-table (procedure-name ,mob)))
-
-
-(define add-mob #f)
-(define kill-mob #f)
-(define get-mob-world #f)
-(define mobs #f)
-(define vreload #f)
-
-(let ((active-mobs (make-hash-table)) (reload #f))
-  (set! add-mob
-       (lambda (mob)
-         (hash-add-mob active-mobs mob)
-         (set! reload #t)))
-
-  (set! kill-mob
-       (lambda (mob)
-         (hash-remove-mob active-mobs mob)
-         (set! reload #t)))
-
-  (set! get-mob-world
-       (lambda ()
-         (cond (reload
-                (set! reload #f)
-                (hash-map->list (lambda (k v) v) active-mobs))
-               (else #f))))
-
-  (set! mobs (lambda () active-mobs))
-  (set! vreload (lambda () reload)))
+(define show-mob-hash #f)
+(define hide-mob-hash #f)
+(define get-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! mobs-changed?
+       (lambda () changed)))
+
+
+(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))