Fix for guards movement on dead ends

yaoazhen · Oct 19, 2011 · 2ac67fb · 2ac67fb
1 parent 4ffbd62
commit 2ac67fb
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/ghost.opa b/src/ghost.opa
@@ -99,8 +99,10 @@
         else false
       bias = List.filter(can_see, opts)
       if bias == [] then
-        back = Base.Dir.back(bg.dir)
-        List.filter(x -> x!=back, opts)
+        if List.length(opts) == 1 then opts
+        else
+          back = Base.Dir.back(bg.dir)
+          List.filter(x -> x!=back, opts)
       else bias
     move_one_generic(ghost, move_fun)