From 83f21bab07f4f45352bd7c057bfa3b8f4f2964ae Mon Sep 17 00:00:00 2001
From: codemann8 <codemann8@gmail.com>
Date: Sun, 3 Oct 2021 09:09:39 -0500
Subject: [PATCH] Prevent writes to ROM if invalid combinations of OW shuffle
 are used

---
 Rom.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Rom.py b/Rom.py
index d05e723e..ad27a3b5 100644
--- a/Rom.py
+++ b/Rom.py
@@ -646,7 +646,7 @@ def patch_rom(world, rom, player, team, enemized, is_mystery=False):
 
     # patch overworld edges
     inverted_buffer = [0] * 0x82
-    if world.owShuffle[player] != 'vanilla' or world.owCrossed[player] != 'none' or world.owMixed[player]:
+    if world.owShuffle[player] != 'vanilla' or world.owCrossed[player] not in ['none', 'polar'] or world.owMixed[player]:
         owMode = 0
         if world.owShuffle[player] == 'parallel':
             owMode = 1