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[gacela.git] / gacela.lisp

diff --git a/gacela.lisp b/gacela.lisp
index 9663a82d1028b8a9feaa8594a187cf05c46a5e09..e00837b3758fa1ac2dd232bc7aab62bf96f84e27 100644 (file)
--- a/gacela.lisp
+++ b/gacela.lisp
@@ -134,16 +134,6 @@
     (setq current-color (list red green blue alpha))
     (glColor4f red green blue alpha)))
 
-(defun copy-surface (source)
-  (cond ((surface-p source)
-        (let ((new-surface
-               (make-surface :address (copy-SDL_Surface (surface-address source))
-                             :clip-w (surface-clip-w source)
-                             :clip-h (surface-clip-h source)
-                             :shape (surface-shape source))))
-          (set-resource 'image new-surface (gentemp))
-          new-surface))))
-
 (defun load-image (image-file &key (transparent-color nil))
   (init-video-mode)
   (let ((loaded-image (IMG_Load image-file)))
@@ -262,39 +252,24 @@
 
 
 ;;; Resources Manager
-(defstruct resource address free-function object)
+(defstruct resource plist free-function time)
+(defstruct texture filename min-filter mag-filter)
 
 (let ((resources-table (make-hash-table :test 'equal)))
 
-  (defun set-resource (type object &rest key)
-    (let ((res
-          (cond ((surface-p object)
-                 (make-resource :address (surface-address object)
-                                :free-function #'SDL_FreeSurface
-                                :object object))
-                ((font-p object)
-                 (make-resource :address (font-address object)
-                                :free-function #'TTF_CloseFont
-                                :object object))
-                ((cp-space-p object)
-                 (make-resource :address (cp-space-address object)
-                                :free-function #'cpSpaceFree
-                                :object object))
-                ((cp-body-p object)
-                 (make-resource :address (cp-body-address object)
-                                :free-function #'cpBodyFree
-                                :object object))
-                ((cp-shape-p object)
-                 (make-resource :address (cp-shape-address object)
-                                :free-function #'cpShapeFree
-                                :object object))
-                (t nil))))
-      (cond (res (setf (gethash `(,type ,@key) resources-table) res)))))
-
-  (defun get-resource (type &rest key)
-    (let ((resource (gethash `(,type ,@key) resources-table)))
+  (defun set-resource (key plist free-function &key static)
+    (setf (gethash key resources-table)
+         (make-resource :plist plist
+                        :free-function free-function
+                        :time (if static -1 (SDL_GetTicks)))))
+
+  (defun get-resource (key)
+    (let ((resource (gethash key resources-table)))
       (cond ((null resource) nil)
-           (t (resource-object resource)))))
+           (t (cond ((/= (resource-time resource) -1)
+                     (setf (resource-time resource) (SDL_GetTicks))
+                     (setf (gethash key resources-table) resource)))
+              (resource-plist resource)))))
 
   (defun free-all-resources ()
     (maphash (lambda (key res) (funcall (resource-free-function res) (resource-address res)))