1 files changed, 16 insertions, 6 deletions
diff --git a/server/protocol/src/helpers.rs b/server/protocol/src/helpers.rs
index 679e6301..1be37a36 100644
--- a/server/protocol/src/helpers.rs
+++ b/server/protocol/src/helpers.rs
@@ -45,6 +45,20 @@ impl Gamedata {
             .enumerate()
             .map(|(i, e)| (RecipeIndex(i), e))
     }
+    pub fn can_place_item(&self, tiles: &[TileIndex], item: ItemIndex) -> bool {
+        for t in tiles.iter().rev() {
+            if let Some(whitelist) = self.tile_placeable_items.get(t) {
+                return whitelist.contains(&item);
+            }
+            if self.tile_placeable_any.contains(t) {
+                return true;
+            }
+        }
+        false
+    }
+    pub fn walkable(&self, tiles: &[TileIndex]) -> bool {
+        tiles.iter().any(|t| self.tile_collide.contains(t))
+    }
 }
 
 impl Recipe {
@@ -92,13 +106,9 @@ impl Recipe {
 
         a.iter().chain(b.iter()).copied()
     }
-    pub fn supports_tile(&self, tile: Option<TileIndex>) -> bool {
+    pub fn supports_tile(&self, tile: TileIndex) -> bool {
         if let Some(tile_constraint) = self.tile() {
-            if let Some(tile) = tile {
-                tile == tile_constraint
-            } else {
-                false
-            }
+            tile == tile_constraint
         } else {
             true
         }