2 files changed, 10 insertions, 0 deletions
diff --git a/src/client/map/mod.rs b/src/client/map/mod.rs
index 27cafc4..9589e59 100644
--- a/src/client/map/mod.rs
+++ b/src/client/map/mod.rs
@@ -166,6 +166,10 @@ impl Map {
     pub fn rooms(&self) -> &StableVec<RoomMark> {
         &self.rooms
     }
+    /// Get a room with the given id mutably, in case it exists.
+    pub fn get_room_mut(&mut self, id: usize) -> Option<&mut RoomMark> {
+        self.rooms.get_mut(id)
+    }
 
     /// Get the walls of this map.
     pub fn walls(&self) -> &StableVec<WallMark> {
diff --git a/src/client/map/room_mark.rs b/src/client/map/room_mark.rs
index a9777fb..5c0ca98 100644
--- a/src/client/map/room_mark.rs
+++ b/src/client/map/room_mark.rs
@@ -29,6 +29,12 @@ impl RoomMark {
         }
     }
 
+    /// Replace the room this mark describes with the new room.
+    pub fn set_room(&mut self, room: Room) {
+        self.room = room;
+        self.retriangulate();
+    }
+
     /* When the internal polygon changes, it must be retriangulated to be drawn on the screen
      * properly, so this function must be called any time that happens.
      */