From 20401f1c9ff12173ba41cd630b39340d20574b3d Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Sun, 30 Mar 2025 09:29:15 +1100
Subject: [PATCH] SPIGOT-8029: Do not load rain into nether when it won't be
 updated / can't rain

---
 nms-patches/net/minecraft/world/level/World.patch | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/nms-patches/net/minecraft/world/level/World.patch b/nms-patches/net/minecraft/world/level/World.patch
index cdc3c3d3f..3fdc9bd01 100644
--- a/nms-patches/net/minecraft/world/level/World.patch
+++ b/nms-patches/net/minecraft/world/level/World.patch
@@ -295,7 +295,19 @@
              this.getChunkAt(blockposition).addAndRegisterBlockEntity(tileentity);
          }
      }
-@@ -915,7 +1117,7 @@
+@@ -574,6 +776,11 @@
+     }
+ 
+     protected void prepareWeather() {
++        // CraftBukkit start - SPIGOT-8029: consistent with WorldServer#advanceWeatherCycle
++        if (!this.dimensionType().hasSkyLight()) {
++            return;
++        }
++        // CraftBukkit end
+         if (this.levelData.isRaining()) {
+             this.rainLevel = 1.0F;
+             if (this.levelData.isThundering()) {
+@@ -915,7 +1122,7 @@
  
      public static enum a implements INamable {