From eb9eac73183c0c8bdfc6b92e3578a4c058be017c Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sat, 27 Jul 2024 20:44:04 +0200
Subject: [PATCH] fixed a crash when setting custom land difficulty to 0

---
 landgen.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/landgen.cpp b/landgen.cpp
index 78b916c6..f0a38fd1 100644
--- a/landgen.cpp
+++ b/landgen.cpp
@@ -181,7 +181,9 @@ EX int hrand_monster_in(eLand l, int x) {
     if(t > 500) x = int(((long long)(x)) * t / 500);
     }
   if(use_custom_land_list) {
-    x = x * 100 / custom_land_difficulty[l];
+    auto diff = custom_land_difficulty[l];
+    if(!diff) return 1000000000;
+    x = x * 100 / diff;
     if(x == 0) x = 1;
     }
   return hrand(x);