1 files changed, 14 insertions, 1 deletions
diff --git a/azalea-block/src/range.rs b/azalea-block/src/range.rs
index 6ccf4152..9b520d49 100644
--- a/azalea-block/src/range.rs
+++ b/azalea-block/src/range.rs
@@ -1,4 +1,7 @@
-use std::{collections::HashSet, ops::RangeInclusive};
+use std::{
+    collections::HashSet,
+    ops::{Add, RangeInclusive},
+};
 
 use crate::BlockState;
 
@@ -31,3 +34,13 @@ impl BlockStates {
         self.set.contains(state)
     }
 }
+
+impl Add for BlockStates {
+    type Output = Self;
+
+    fn add(self, rhs: Self) -> Self::Output {
+        Self {
+            set: self.set.union(&rhs.set).copied().collect(),
+        }
+    }
+}