Paper/patches/server/0645-add-per-world-spawn-limits.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: chase <chasewhip20@gmail.com>
Date: Wed, 2 Dec 2020 22:43:39 -0800
Subject: [PATCH] add per world spawn limits

Taken from #2982. Credit to Chasewhip8

diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 88e04599e4f4718f4e7dc8b0e49c52e6714fad1d..f48c2be5fcc134c2e440507e31f61c4430ec06b3 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -209,6 +209,13 @@ public class CraftWorld extends CraftRegionAccessor implements World {
         this.biomeProvider = biomeProvider;
 
         this.environment = env;
+        // Paper start - per world spawn limits
+        for (SpawnCategory spawnCategory : SpawnCategory.values()) {
+            if (CraftSpawnCategory.isValidForLimits(spawnCategory)) {
+                setSpawnLimit(spawnCategory, this.world.paperConfig().entities.spawning.spawnLimits.getInt(CraftSpawnCategory.toNMS(spawnCategory)));
+            }
+        }
+        // Paper end
     }
 
     @Override