1 files changed, 16 insertions, 2 deletions
diff --git a/engine/src/asset.rs b/engine/src/asset.rs
index ea0037c..e1f699a 100644
--- a/engine/src/asset.rs
+++ b/engine/src/asset.rs
@@ -29,7 +29,7 @@ pub HANDLE_ASSETS_PHASE: (Phase, pair!(ChildOf, { *PRE_UPDATE_PHASE }));
 
 pub trait Asset: Send + Sync + 'static
 {
-    fn dependencies(&self) -> impl Iterator<Item = Dependency<'_>>;
+    fn visit_dependencies<'this>(&'this self, func: &mut dyn FnMut(Dependency<'this>));
 }
 
 #[derive(Debug)]
@@ -61,6 +61,14 @@ pub struct Label<'a>
 
 impl Label<'_>
 {
+    pub fn borrow(&self) -> Label<'_>
+    {
+        Label {
+            path: (&*self.path).into(),
+            name: self.name.as_deref().map(Into::into),
+        }
+    }
+
     #[must_use]
     fn to_owned(&self) -> LabelOwned
     {
@@ -373,7 +381,13 @@ impl Assets
 
         let mut missing_dependencies = 0;
 
-        for dependency in asset.dependencies() {
+        let mut dependencies = Vec::new();
+
+        asset.visit_dependencies(&mut |dependency| {
+            dependencies.push(dependency);
+        });
+
+        for dependency in dependencies {
             match self.get_asset_by_label_mut(&dependency.label) {
                 Some((Some(StoredAsset { state: AssetState::Ready { .. }, .. }), _)) => {}
                 Some((