fix: prevent oor indexing while decoding (#39)

MaxOhn · Jul 24, 2024 · daf718d · daf718d
1 parent 861135e
commit daf718d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/model/beatmap/decode.rs b/src/model/beatmap/decode.rs
@@ -186,7 +186,10 @@ impl BeatmapState {
             }
         }
 
-        self.vertices[0].path_type = Some(path_type);
+        self.vertices
+            .first_mut()
+            .ok_or(ParseBeatmapError::InvalidHitObjectLine)?
+            .path_type = Some(path_type);
 
         let mut start_idx = 0;
         let mut end_idx = 0;