Meshes located at video module and new game loop procedure returning game elements

[gacela.git] / src / views.scm

diff --git a/src/views.scm b/src/views.scm
index 75f90713bd0150a1344bc2f7533c295c00437212..8e2c21cf47c6f7b6a366ad272bb37bf39f8aa49e 100644 (file)
--- a/src/views.scm
+++ b/src/views.scm
@@ -26,23 +26,43 @@
 
 (define view-type
   (make-record-type "view" 
-                   '(id constructor body meshes priority)
+                   '(id controllers meshes priority)
                    (lambda (record port)
                      (format port "#<view: ~a meshes>"
                              (length (view-meshes record))))))
 
-(define (build-view constructor) ((record-constructor view-type) (gensym) constructor #f '() 0))
+(define (make-view controllers meshes priority) ((record-constructor view-type) (gensym) controllers meshes priority))
 (define view? (record-predicate view-type))
 (define view-id (record-accessor view-type 'id))
-(define view-constructor (record-accessor view-type 'constructor))
-(define view-body (record-accessor view-type 'body))
-(define view-body-set! (record-modifier view-type 'body))
 (define view-meshes (record-accessor view-type 'meshes))
 (define view-meshes-set! (record-modifier view-type 'meshes))
+(define view-controllers (record-accessor view-type 'controllers))
+(define view-controllers-set! (record-modifier view-type 'controllers))
 (define view-priority (record-accessor view-type 'priority))
 
-(define-macro (make-view body)
-  `(build-view (lambda () ,body)))
+(defmacro* view (#:key (priority 0) . elements)
+  `(let ((e (view-elements ,@elements)))
+     (make-view (car e) (cadr e) ,priority)))
+
+(define-macro (view-elements . elements)
+  (cond ((null? elements) `'(() ()))
+       (else
+        `(let ((l (view-elements ,@(cdr elements))))
+           ,(let ((e (car elements)))
+              `(cond ((mesh? ,e)
+                      (list (car l) (cons ,e (cadr l))))
+                     ((procedure? ,e)
+                      (list (cons ,(if (list? e) e `(lambda () (,e))) (car l))
+                            (cadr l)))
+                     (else l)))))))
+
+(define (controllers-list list controllers)
+  (cond ((null? controllers)
+        list)
+       ((list? (car controllers))
+        (assoc-set! (controllers-list list (cdr controllers)) (caar controllers) (cadar controllers)))
+       (else
+        (assoc-set! (controllers-list list (cdr controllers)) (gensym) (car controllers)))))
 
 (define activated-views '())
 
@@ -51,13 +71,7 @@
        (lambda (v1 v2)
          (< (view-priority (cdr v1)) (view-priority (cdr v2))))))
 
-(define (reset-view! view)
-  (view-body-set! view ((view-constructor view)))
-  (view-meshes-set! view '())
-  (view-priority-set! view 0))
-
 (define (activate-view view)
-  (reset-view! view)
   (set! activated-views
        (sort-views (assoc-set! activated-views (view-id view) view)))
   view)
@@ -75,7 +89,7 @@
 (define* (run-views #:optional (views activated-views))
   (cond ((not (null? views))
         (set! current-view (cdar views))
-        ((view-body current-view))
+        ;((view-body current-view))
         (draw-meshes (view-meshes current-view))
         (run-views (cdr views)))))
 
@@ -87,7 +101,7 @@
         (draw-meshes (cdr meshes)))))
 
 
-(define default-view (activate-view (make-view (lambda () #f))))
+;(define default-view (activate-view (make-view (lambda () #f))))
 
 
 ;;; Meshes
@@ -102,7 +116,6 @@
                                         (format port " ~a" x))))
                                (mesh-properties record))
                      (display ">" port))))
-                     
 
 (define mesh? (record-predicate mesh-type))