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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Brokkonaut <hannos17@gmx.de>
Date: Sat, 18 Dec 2021 08:26:55 +0100
Subject: [PATCH] Make water animal spawn height configurable
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 937d0574f4d1989475345690e800783a84a16602..dcd42cfe2a9ac3e33565340e83ede1bd98ba3814 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -416,6 +416,24 @@ public class PaperWorldConfig {
mobSpawnerTickRate = getInt("mob-spawner-tick-rate", 1);
}
+ public Integer waterAnimalMaxSpawnHeight;
+ private void waterAnimalMaxSpawnHeight() {
+ String v = getString("wateranimal-spawn-height.maximum", "default");
+ try {
+ waterAnimalMaxSpawnHeight = Integer.parseInt(v);
+ } catch (NumberFormatException ignored) {
+ }
+ }
+
+ public Integer waterAnimalMinSpawnHeight;
+ private void waterAnimalMinSpawnHeight() {
+ String v = getString("wateranimal-spawn-height.minimum", "default");
+ try {
+ waterAnimalMinSpawnHeight = Integer.parseInt(v);
+ } catch (NumberFormatException ignored) {
+ }
+ }
+
public int containerUpdateTickRate;
private void containerUpdateTickRate() {
containerUpdateTickRate = getInt("container-update-tick-rate", 1);
diff --git a/src/main/java/net/minecraft/world/entity/animal/WaterAnimal.java b/src/main/java/net/minecraft/world/entity/animal/WaterAnimal.java
index 69f7e034cab1bfd7ca5dffc660b6decd739adf35..c039b896ee85543c26a8ab76640080f539deaa4c 100644
--- a/src/main/java/net/minecraft/world/entity/animal/WaterAnimal.java
+++ b/src/main/java/net/minecraft/world/entity/animal/WaterAnimal.java
@@ -79,6 +79,10 @@ public abstract class WaterAnimal extends PathfinderMob {
public static boolean checkSurfaceWaterAnimalSpawnRules(EntityType<? extends WaterAnimal> type, LevelAccessor world, MobSpawnType reason, BlockPos pos, Random random) {
int i = world.getSeaLevel();
int j = i - 13;
+ // Paper start
+ i = world.getMinecraftWorld().paperConfig.waterAnimalMaxSpawnHeight != null ? world.getMinecraftWorld().paperConfig.waterAnimalMaxSpawnHeight : i;
+ j = world.getMinecraftWorld().paperConfig.waterAnimalMinSpawnHeight != null ? world.getMinecraftWorld().paperConfig.waterAnimalMinSpawnHeight : j;
+ // Paper end
return pos.getY() >= j && pos.getY() <= i && world.getFluidState(pos.below()).is(FluidTags.WATER) && world.getBlockState(pos.above()).is(Blocks.WATER);
}
}
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