Paper/patches/server/0871-Ignore-impossible-spawn-tick.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: dannyball710 <dannyball710@gmail.com>
Date: Sat, 12 Feb 2022 23:42:48 +0800
Subject: [PATCH] Ignore impossible spawn tick


diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
index ae2b95f53e875716489821dc9b0a3a35039bfcc9..633500aefd515df5dadda3802b94079f75a03fa0 100644
--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
@@ -80,6 +80,7 @@ public abstract class BaseSpawner {
     }
 
     public void serverTick(ServerLevel world, BlockPos pos) {
+        if (spawnCount <= 0 || maxNearbyEntities <= 0) return; // Paper - Ignore impossible spawn tick
         // Paper start - Configurable mob spawner tick rate
         if (spawnDelay > 0 && --tickDelay > 0) return;
         tickDelay = world.paperConfig().tickRates.mobSpawner;