Paper/patches/server/0834-Fix-slime-spawners-not-spawning-outside-slime-chunks.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Fri, 15 Apr 2022 17:09:28 -0700
Subject: [PATCH] Fix slime spawners not spawning outside slime chunks
Fixes MC-50647 by just checking if the spawn type is a SPAWNER
and then bypassing the spawn check logic if on slimes if it is.
diff --git a/src/main/java/net/minecraft/world/entity/monster/Slime.java b/src/main/java/net/minecraft/world/entity/monster/Slime.java
2022-12-07 22:35:34 +01:00
index 3da612821708f10f7f53b1c9e70adc649689529e..87c2e50c6f817d1a77e0cfd64366765b265f9ba0 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Slime.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Slime.java
2022-12-07 22:35:34 +01:00
@@ -322,6 +322,11 @@ public class Slime extends Mob implements Enemy {
public static boolean checkSlimeSpawnRules(EntityType<Slime> type, LevelAccessor world, MobSpawnType spawnReason, BlockPos pos, RandomSource random) {
if (world.getDifficulty() != Difficulty.PEACEFUL) {
+ // Paper start - fix slime spawners; Fixes MC-50647
+ if (spawnReason == MobSpawnType.SPAWNER) {
+ return random.nextInt(10) == 0;
+ }
+ // Paper end
// Paper start - Replace rules for Height in Swamp Biome
final double maxHeightSwamp = world.getMinecraftWorld().paperConfig().entities.spawning.slimeSpawnHeight.surfaceBiome.maximum;
final double minHeightSwamp = world.getMinecraftWorld().paperConfig().entities.spawning.slimeSpawnHeight.surfaceBiome.minimum;