Allow non-rectangular minivaults and branch entry vaults (use space padding).

They're still rectangular for collision detection with other vaults; that'll
need more effort to fix.

Space padding can also be used for regular vaults, but it'll be ignored at
the moment (but soon...! :-)).

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1778 c06c8d41-db1a-0410-9941-cceddc491573

1 files changed, 12 insertions, 0 deletions

diff --git a/crawl-ref/source/dungeon.h b/crawl-ref/source/dungeon.h
index 34fd78690c..9182de4d5d 100644
--- a/crawl-ref/source/dungeon.h
+++ b/crawl-ref/source/dungeon.h
@@ -266,6 +266,18 @@ bool flood_find<fgrd, bound_check>::path_flood(
     }
 
     const dungeon_feature_type grid = fgrid(dc);
+
+    if (grid == NUM_FEATURES)
+    {
+        if (want_exit)
+        {
+            greedy_dist = 100;
+            greedy_place = coord_def(-1, -1);
+            return (true);
+        }
+        return (false);
+    }
+    
     if (needed_features[ grid ])
     {
         unexplored_place = dc;