1 files changed, 20 insertions, 0 deletions
diff --git a/server/src/interaction.rs b/server/src/interaction.rs
index a4b79bd0..93f54b2d 100644
--- a/server/src/interaction.rs
+++ b/server/src/interaction.rs
@@ -42,6 +42,26 @@ impl Recipe {
             _ => None,
         }
     }
+    pub fn inputs(&self) -> Vec<ItemIndex> {
+        match self {
+            Recipe::Passive { input, .. } => vec![*input],
+            Recipe::Active { input, .. } => vec![*input],
+            Recipe::Instant { inputs, .. } => {
+                inputs.into_iter().flat_map(|e| e.to_owned()).collect()
+            }
+        }
+    }
+    pub fn outputs(&self) -> Vec<ItemIndex> {
+        match self {
+            Recipe::Passive { output, .. } => output.to_owned().into_iter().collect(),
+            Recipe::Active { outputs, .. } => {
+                outputs.into_iter().flat_map(|e| e.to_owned()).collect()
+            }
+            Recipe::Instant { outputs, .. } => {
+                outputs.into_iter().flat_map(|e| e.to_owned()).collect()
+            }
+        }
+    }
     pub fn supports_tile(&self, tile: TileIndex) -> bool {
         if let Some(tile_constraint) = self.tile() {
             if tile != tile_constraint {