From c873316d26a9f7218da0969db2f62dc98acb0e25 Mon Sep 17 00:00:00 2001
From: Erik Lunna <eslunna@gmail.com>
Date: Thu, 12 Oct 2023 06:46:07 +0200
Subject: [PATCH] Cloaks with the oilskin property also let you pass through
 tight diagonals.

---
 src/hack.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hack.c b/src/hack.c
index 91cfe1d68..55d39ca08 100644
--- a/src/hack.c
+++ b/src/hack.c
@@ -746,7 +746,9 @@ struct monst *mon;
         return 1;
     
     /* Greased cloaks let us pass through tight spots */
-    if (!Sokoban && uarmc && (uarmc->otyp == OILSKIN_CLOAK || uarmc->greased))
+    if (!Sokoban && uarmc 
+        && (uarmc->otyp == OILSKIN_CLOAK || uarmc->oprops & ITEM_OILSKIN
+            || uarmc->greased))
         return 0;
     
     /* lugging too much junk? */