# HG changeset patch
# User Neil Muller <drnlmuller@gmail.com>
# Date 1316034327 -7200
# Node ID cd5377697c9e31cfe831c5e333d40c76c558abff
# Parent  af95fbc8ef5c32646ab92068a78ef749ffaafaea
Add some helpers to data.py

diff -r af95fbc8ef5c -r cd5377697c9e mamba/data.py
--- a/mamba/data.py	Wed Sep 14 23:02:45 2011 +0200
+++ b/mamba/data.py	Wed Sep 14 23:05:27 2011 +0200
@@ -55,3 +55,11 @@
 def load_tile_image(image_name, tileset='common', mutators=()):
     filename = "tiles/%s/%s.png" % (tileset, image_name)
     return load_image(filename, mutators)
+
+
+def check_tileset_legal(tileset):
+    return os.path.isdir(os.path.join(data_dir, 'tiles', tileset))
+
+
+def check_level_exists(level):
+    return os.path.isfile(os.path.join(data_dir, 'levels', '%s.txt' % level))