fix gate orientation

overviewer_core/world.py

@@ -727,6 +727,11 @@ class RegionSet(object):
         if key in ['minecraft:redstone_ore', 'minecraft:redstone_lamp']:
             if palette_entry['Properties']['lit'] == 'true':
                 block += 1
+        elif key.endswith('gate'):
+            facing = palette_entry['Properties']['facing']
+            data = {'south': 0, 'west': 1, 'north': 2, 'east': 3}[facing]
+            if palette_entry['Properties']['open'] == 'true':
+                data += 4
         elif key.endswith('rail'):
             shape = palette_entry['Properties']['shape']
             print('shape:', shape)