        options.flagsOnBuildings = true;
 Index: src/bzfs/WorldInfo.h
 ===================================================================
---- src/bzfs/WorldInfo.h	(revision 22210)
+--- src/bzfs/WorldInfo.h	(revision 22828)
 +++ src/bzfs/WorldInfo.h	(working copy)
 @@ -91,6 +91,9 @@
  		     bool horizontal, bool drive = false, bool shoot = false, bool rico = false);

   bool			oneGameOnly;
Index: src/bzfs/WorldGenerators.cxx
===================================================================
--- src/bzfs/WorldGenerators.cxx	(revision 22210)
+++ src/bzfs/WorldGenerators.cxx	(working copy)
@@ -77,6 +77,44 @@
 	pyrBase, pyrBase, h);

   float getMaxWorldHeight() const;
Index: src/bzfs/WorldInfo.cxx
===================================================================
--- src/bzfs/WorldInfo.cxx	(revision 22828)
+++ src/bzfs/WorldInfo.cxx	(working copy)
@@ -84,7 +84,105 @@
   OBSTACLEMGR.addWorldObstacle(wall);
 }
 
