From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Doc <nachito94@msn.com>
Date: Mon, 2 Aug 2021 11:24:39 -0400
Subject: [PATCH] Add configurable height for slime spawn


diff --git a/src/main/java/net/minecraft/world/entity/monster/Slime.java b/src/main/java/net/minecraft/world/entity/monster/Slime.java
index 129f0cbc0469cb2804db6088b53347d88d91f4eb..72346a7e5269c91e3143933ac37e65ad9639b791 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Slime.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Slime.java
@@ -340,7 +340,11 @@ public class Slime extends Mob implements Enemy {
                 return checkMobSpawnRules(type, world, spawnReason, pos, random);
             }
 
-            if (world.getBiome(pos).is(BiomeTags.ALLOWS_SURFACE_SLIME_SPAWNS) && pos.getY() > 50 && pos.getY() < 70 && random.nextFloat() < 0.5F && random.nextFloat() < world.getMoonBrightness() && world.getMaxLocalRawBrightness(pos) <= random.nextInt(8)) {
+                // 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;
+                if (world.getBiome(pos).is(BiomeTags.ALLOWS_SURFACE_SLIME_SPAWNS) && pos.getY() > minHeightSwamp && pos.getY() < maxHeightSwamp && random.nextFloat() < 0.5F && random.nextFloat() < world.getMoonBrightness() && world.getMaxLocalRawBrightness(pos) <= random.nextInt(8)) {
+                // Paper end - Replace rules for Height in Swamp Biome
                 return checkMobSpawnRules(type, world, spawnReason, pos, random);
             }
 
@@ -351,7 +355,10 @@ public class Slime extends Mob implements Enemy {
             ChunkPos chunkcoordintpair = new ChunkPos(pos);
                 boolean flag = world.getMinecraftWorld().paperConfig().entities.spawning.allChunksAreSlimeChunks || WorldgenRandom.seedSlimeChunk(chunkcoordintpair.x, chunkcoordintpair.z, ((WorldGenLevel) world).getSeed(), world.getMinecraftWorld().spigotConfig.slimeSeed).nextInt(10) == 0; // Spigot // Paper
 
-            if (random.nextInt(10) == 0 && flag && pos.getY() < 40) {
+                // Paper start - Replace rules for Height in Slime Chunks
+                final double maxHeightSlimeChunk = world.getMinecraftWorld().paperConfig().entities.spawning.slimeSpawnHeight.slimeChunk.maximum;
+                if (random.nextInt(10) == 0 && flag && pos.getY() < maxHeightSlimeChunk) {
+                // Paper end - Replace rules for Height in Slime Chunks
                 return checkMobSpawnRules(type, world, spawnReason, pos, random);
             }
         }