(no commit message)

[gacela.git] / src / gacela_mobs.scm

diff --git a/src/gacela_mobs.scm b/src/gacela_mobs.scm
index c9371784fef713383a137617b1297a596f1395ed..a9c13fa1acc8994713ee7f94f3eeb1a2c9a9b951 100755 (executable)
--- a/src/gacela_mobs.scm
+++ b/src/gacela_mobs.scm
@@ -20,6 +20,7 @@
 (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))
@@ -38,43 +39,193 @@
          (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)))
+
   (set! mobs-changed?
        (lambda () changed)))
 
 
 (define-macro (show-mob mob)
-  `(show-mob-hash ',mob (lambda (option) (,mob option))))
+  (cond ((list? mob)
+        `(let ((m ,mob))
+           (show-mob-hash (m 'get-mob-id) m)))
+       (else
+        `(show-mob-hash (,mob 'get-mob-id) (lambda () (,mob))))))
 
 (define-macro (hide-mob mob)
   `(hide-mob-hash ',mob))
 
-(define (process-mobs mobs)
-  (for-each (lambda (m) (m #:render)) mobs))
+(define (run-mobs-logic mobs)
+  (for-each (lambda (m) (m 'run-logic)) mobs))
 
-(define-macro (define-mob mob-head . look)
-  (let ((name (car mob-head)) (attr (cdr mob-head)))
+(define (render-mobs mobs)
+  (for-each (lambda (m) (m 'render)) mobs))
+
+
+;;; Logics and looks for mobs
+
+(define (get-attr list name default)
+  (let ((value (assoc-ref list name)))
+    (cond (value (car value))
+         (else default))))
+
+(define (attr-def attr)
+  (let ((name (car attr))
+       (value (cadr attr)))
+    `(,name (get-attr attributes ',name ',value))))
+
+(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 ,attr ,@look))))
+       (lambda-mob-logic ,attr ,@code))))
 
-(define-macro (lambda-mob attr . look)
+(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)
-                            (values (cons `(draw-texture ,line) lines)
-                                    (cons line images)))
+                            (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 ((attr ',attr))
-             (lambda (option)
-               (case option
-                 ((#:render)
-                  (glPushMatrix)
-                  ,@look-lines
-;          ,@(map (lambda (x) (if (string? x) `(draw-texture ,x) x)) look)
-                  (glPopMatrix)))))))
+          `(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))))))))