Don't toggle room if no valid alternate

chreden · Feb 1, 2025 · 8720f74 · 8720f74
1 parent 1b45cca
commit 8720f74
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/trview.app/Elements/Level.cpp b/trview.app/Elements/Level.cpp
@@ -877,7 +877,7 @@ namespace trview
     {
         if (version() >= trlevel::LevelVersion::Tomb4)
         {
-            return room.alternate_mode() == IRoom::AlternateMode::HasAlternate && is_alternate_group_set(room.alternate_group()) ||
+            return (room.alternate_mode() == IRoom::AlternateMode::HasAlternate && is_alternate_group_set(room.alternate_group()) && room.alternate_room() != -1) ||
                    room.alternate_mode() == IRoom::AlternateMode::IsAlternate && !is_alternate_group_set(room.alternate_group());
         }