From 8fc913274685dd8b752f0c3b9fd0aa0fde45c8b5 Mon Sep 17 00:00:00 2001
From: compiling <8335770+compiling@users.noreply.github.com>
Date: Sat, 8 Feb 2020 11:31:50 +1100
Subject: [PATCH] Ignore impossible key counters when checking key placement.

---
 KeyDoorShuffle.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/KeyDoorShuffle.py b/KeyDoorShuffle.py
index 4af145b1..a3813b13 100644
--- a/KeyDoorShuffle.py
+++ b/KeyDoorShuffle.py
@@ -1239,7 +1239,7 @@ def val_rule(rule, skn, allow=False, loc=None, askn=None, setCheck=None):
 # Soft lock stuff
 def validate_key_placement(key_layout, world, player):
     if world.retro[player] or world.accessibility[player] == 'none':
-        return True # Can't keylock in retro.  Expected if beatable only.
+        return True  # Can't keylock in retro.  Expected if beatable only.
     max_counter = find_max_counter(key_layout)
     keys_outside = 0
     big_key_outside = False
@@ -1255,6 +1255,8 @@ def validate_key_placement(key_layout, world, player):
         if len(counter.child_doors) == 0:
             continue
         big_found = any(i.item == dungeon.big_key for i in counter.free_locations if "- Big Chest" not in i.name) or big_key_outside
+        if counter.big_key_opened and not big_found:
+            continue  # Can't get to this state
         found_locations = set(i for i in counter.free_locations if big_found or "- Big Chest" not in i.name)
         found_keys = sum(1 for i in found_locations if i.item is not None and i.item.name == smallkey_name and i.item.player == player) + \
                      len(counter.key_only_locations) + keys_outside