3 files changed, 54 insertions, 9 deletions

diff --git a/mingling_core/src/asset/dispatcher.rs b/mingling_core/src/asset/dispatcher.rs
index 8f04955..01c9ccf 100644
--- a/mingling_core/src/asset/dispatcher.rs
+++ b/mingling_core/src/asset/dispatcher.rs
@@ -32,22 +32,46 @@ where
     C: ProgramCollect<Enum = C>,
 {
     /// Adds a dispatcher to the program.
-    #[cfg(not(feature = "dispatch_tree"))]
+    #[cfg_attr(
+        feature = "dispatch_tree",
+        deprecated(
+            note = "When the `dispatch_tree` feature is enabled, the `dispatcher` field no longer exists inside Program. All types are collected at compile time by the `gen_program!()` macro, so the `with_dispatcher` function is no longer needed"
+        )
+    )]
     pub fn with_dispatcher<Disp>(&mut self, dispatcher: Disp)
     where
         Disp: Dispatcher<C> + Send + Sync + 'static,
     {
-        self.dispatcher.push(Box::new(dispatcher));
+        #[cfg(not(feature = "dispatch_tree"))]
+        {
+            self.dispatcher.push(Box::new(dispatcher));
+        }
+        #[cfg(feature = "dispatch_tree")]
+        {
+            let _ = dispatcher;
+        }
     }
 
     /// Add some dispatchers to the program.
-    #[cfg(not(feature = "dispatch_tree"))]
+    #[cfg_attr(
+        feature = "dispatch_tree",
+        deprecated(
+            note = "When the `dispatch_tree` feature is enabled, the `dispatcher` field no longer exists inside Program. All types are collected at compile time by the `gen_program!()` macro, so the `with_dispatcher` function is no longer needed"
+        )
+    )]
     pub fn with_dispatchers<D>(&mut self, dispatchers: D)
     where
         D: Into<Dispatchers<C>>,
     {
-        let dispatchers = dispatchers.into();
-        self.dispatcher.extend(dispatchers.dispatcher);
+        #[cfg(not(feature = "dispatch_tree"))]
+        {
+            let dispatchers = dispatchers.into();
+            self.dispatcher.extend(dispatchers.dispatcher);
+        }
+        #[cfg(feature = "dispatch_tree")]
+        {
+            let _ = dispatchers;
+        }
     }
 }
 
diff --git a/mingling_core/src/asset/global_resource.rs b/mingling_core/src/asset/global_resource.rs
index 3d0af7b..29e1136 100644
--- a/mingling_core/src/asset/global_resource.rs
+++ b/mingling_core/src/asset/global_resource.rs
@@ -45,13 +45,12 @@ where
 
     /// Internal syntax for the `&mut MyResource` syntax of #[chain], do not use directly
     #[doc(hidden)]
-    pub fn __modify_res_and_return_route<Res, Return>(
+    pub fn __modify_res_and_return_route<Res>(
         &self,
-        f: impl FnOnce(&mut Res) -> Return,
-    ) -> impl Into<ChainProcess<C>>
+        f: impl FnOnce(&mut Res) -> ChainProcess<C>,
+    ) -> ChainProcess<C>
     where
         Res: 'static + Default + ResourceMarker + Send + Sync,
-        Return: Into<ChainProcess<C>>,
     {
         let Ok(mut guard) = self.resources.lock() else {
             let mut default_res = Res::res_default();
diff --git a/mingling_core/src/asset/routable.rs b/mingling_core/src/asset/routable.rs
new file mode 100644
index 0000000..24b7bb1
--- /dev/null
+++ b/mingling_core/src/asset/routable.rs
@@ -0,0 +1,22 @@
+use crate::ChainProcess;
+
+/// Provides routing capabilities for converting an item into a `ChainProcess`
+/// directed to either the chain or render processing pipeline.
+///
+/// This trait enables items to be dispatched to different processing routes
+/// (chain or render) by wrapping them into an `AnyOutput` and routing them
+/// through the appropriate pipeline.
+pub trait Routable<Group>
+where
+    Self: Sized + 'static,
+{
+    /// Converts the routable item into a `ChainProcess` directed to the chain route.
+    ///
+    /// This wraps the item into an `AnyOutput` and routes it to the chain processing pipeline.
+    fn to_chain(self) -> ChainProcess<Group>;
+
+    /// Converts the routable item into a `ChainProcess` directed to the render route.
+    ///
+    /// This wraps the item into an `AnyOutput` and routes it to the render processing pipeline.
+    fn to_render(self) -> ChainProcess<Group>;
+}