(no commit message)

[gacela.git] / src / gacela_mobs.scm

diff --git a/src/gacela_mobs.scm b/src/gacela_mobs.scm
index ed55a007e85251326cc4033768d7b8d87355b755..8c687dc5b42158dd01748059c7c88e552aa7c6da 100755 (executable)
--- a/src/gacela_mobs.scm
+++ b/src/gacela_mobs.scm
@@ -154,6 +154,38 @@
                        (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 '()) (action #f) (look #f))
+  `(let ((attr ,attr) (action ,action) (look ,look))
+     (lambda (option . params)
+       (case option
+        ((get-attr)
+         attr)
+        ((set-attr)
+         (if (not (null? params)) (set! attr (car params))))
+        ((get-action)
+         action)
+        ((set-action)
+         (if (not (null? params)) (set! action (car params))))
+        ((get-look)
+         look)
+        ((set-look)
+         (if (not (null? params)) (set! look (car params))))
+        ((run-mob)
+         (lambda (action)
+                    (set! attr ((cdr action) attr)))
+                  actions))
+                ((render)
+                 (for-each
+                  (lambda (look)
+                    ((cdr look) attr))
+                  looks))))))
+
+
 (define (get-mob-attr mob var)
   (let ((value (assoc-ref (mob 'get-attr) var)))
     (if value (car value) #f)))