From e69cdff2440574fbc6ac54366416805d4cf79739 Mon Sep 17 00:00:00 2001
From: TheBusyBiscuit <mrCookieSlime@gmail.com>
Date: Sat, 2 May 2020 10:40:53 +0200
Subject: [PATCH] [CI skip] Added failsafe for misconfigured addons

---
 .../thebusybiscuit/slimefun4/api/geo/ResourceManager.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/api/geo/ResourceManager.java b/src/main/java/io/github/thebusybiscuit/slimefun4/api/geo/ResourceManager.java
index 1dee05289..9fc120dcc 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/api/geo/ResourceManager.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/api/geo/ResourceManager.java
@@ -80,7 +80,13 @@ public class ResourceManager {
         int value = resource.getDefaultSupply(world.getEnvironment(), block.getBiome());
 
         if (value > 0) {
-            value += ThreadLocalRandom.current().nextInt(resource.getMaxDeviation());
+            int bound = resource.getMaxDeviation();
+            
+            if (bound <= 0) {
+                throw new IllegalStateException("GEO Resource \"" + resource.getKey() + "\" was misconfigured! getMaxDeviation() must return a value higher than zero!");
+            }
+            
+            value += ThreadLocalRandom.current().nextInt(bound);
         }
 
         GEOResourceGenerationEvent event = new GEOResourceGenerationEvent(world, block.getBiome(), x, z, resource, value);