Let wandering mushrooms swap with toadstools.

...And not block your exit when you are swapping through toadstools.
Addresses annoyances while playing Fedhasites, after praying in
corridors and blocking off allied mushrooms, or getting blocked in by
mushrooms in a hole in a wall. Other allies are still blocked by
toadstools.

1 files changed, 7 insertions, 0 deletions

diff --git a/crawl-ref/source/mon-pathfind.cc b/crawl-ref/source/mon-pathfind.cc
index 16c89b56a5..0ec477a382 100644
--- a/crawl-ref/source/mon-pathfind.cc
+++ b/crawl-ref/source/mon-pathfind.cc
@@ -430,6 +430,13 @@ bool monster_pathfind::traversable(const coord_def& p)
             return true;
         }
 
+        else if (mons && mons->type == MONS_WANDERING_MUSHROOM
+                 && monster_at(p)
+                 && monster_at(p)->type == MONS_TOADSTOOL)
+        {
+            return true;
+        }
+
         return false;
     }