Flicker friendly sorting of entities

It may not make a big difference if entities can move vertically freely,
but in some cases may be better.

1 files changed, 4 insertions, 2 deletions

diff --git a/tools/map.py b/tools/map.py
index 5c6e27e..c2e2212 100755
--- a/tools/map.py
+++ b/tools/map.py
@@ -200,8 +200,10 @@ def main():
                     parser.error("max_bytes: no 'bytes' found for %r" % name)
 
         try:
-            objs = sorted(
-                entities_layer["objects"], key=lambda o: et_names.index(o["name"].lower()))
+            objs = entities_layer["objects"]
+            objs.sort(key=lambda o: o["y"])
+            objs.sort(key=lambda o: o["x"])
+            objs.sort(key=lambda o: et_names.index(o["name"].lower()))
         except ValueError:
             parser.error("map has an unnamed object")