Make windows block sound.

diff --git a/plomrogue/mapping.py b/plomrogue/mapping.py
index 6708b1bb34eadaa7f92f12fbbe25bf243a22d72a..d1fc9fb91457f6358698f855070e1c259ae88e62 100644 (file)
--- a/plomrogue/mapping.py
+++ b/plomrogue/mapping.py
@@ -264,7 +264,7 @@ class DijkstraMap(SourcedMap):
         while shrunk:
             shrunk = False
             for i in range(self.size_i):
-                if self.source_map_segment[i] == 'X':
+                if self.source_map_segment[i] in 'X=':
                     continue
                 neighbors = self.geometry.get_neighbors_i(i)
                 for direction in [d for d in neighbors if neighbors[d]]: