From 392295d770f00fe53f485cc885cbcee328ed039f Mon Sep 17 00:00:00 2001
From: Michael Meyer <me@entrez.cc>
Date: Tue, 7 Nov 2023 20:00:56 -0500
Subject: [PATCH] Require min body weight for step to wake zombies

A newt or something probably isn't disturbing anything buried 6 feet
below the ground.  WT_ELF/2 is the size of a dingo or goblin.
---
 src/hack.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hack.c b/src/hack.c
index 5e44d2867..9eb1aa791 100644
--- a/src/hack.c
+++ b/src/hack.c
@@ -2618,7 +2618,9 @@ domove_core(void)
                 nomul(0);
     }
 
-    if (!Levitation && !Flying && !Stealth)
+    /* your tread on the ground may disturb the slumber of nearby zombies */
+    if (!Levitation && !Flying && !Stealth
+        && gy.youmonst.data->cwt >= (WT_ELF / 2))
         disturb_buried_zombies(u.ux, u.uy);
 
     if (hides_under(gy.youmonst.data) || gy.youmonst.data->mlet == S_EEL