[refactor] [structure] modularized project file structure

1 files changed, 18 insertions, 0 deletions

diff --git a/src/assets/asset.lisp b/src/assets/asset.lisp
new file mode 100644
index 0000000..5f847da
--- /dev/null
+++ b/src/assets/asset.lisp
@@ -0,0 +1,18 @@
+;;;; asset.lisp
+
+(in-package #:wheelwork)
+
+(defclass/std asset ()
+  ((path :with :ri :std (error "An asset requires a path"))
+   (loadedp :with :a)))
+
+(defmethod cleanup :around ((asset asset))
+  (when (asset-loadedp asset)
+    (call-next-method))
+  (setf (asset-loadedp asset) nil))
+
+(defmethod ensure-loaded :around ((thing asset))
+  (unless (asset-loadedp thing) 
+    (call-next-method)
+    (setf (asset-loadedp thing) t))
+  thing)