PaperMC/Spigot-Server-Patches/0139-Water-mobs-should-only-spawn-in-the-water.patch
2016-04-14 18:06:29 -05:00

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From d4985b594d55ee94ef5b68677eda3496d6cd8149 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Thu, 14 Apr 2016 17:48:56 -0500
Subject: [PATCH] Water mobs should only spawn in the water
diff --git a/src/main/java/net/minecraft/server/EntityWaterAnimal.java b/src/main/java/net/minecraft/server/EntityWaterAnimal.java
index f4764da..2aa0391 100644
--- a/src/main/java/net/minecraft/server/EntityWaterAnimal.java
+++ b/src/main/java/net/minecraft/server/EntityWaterAnimal.java
@@ -11,7 +11,15 @@ public abstract class EntityWaterAnimal extends EntityInsentient implements IAni
}
public boolean cF() {
- return true;
+ // Paper start - Don't let water mobs spawn in non-water blocks
+ // Based around EntityAnimal's implementation
+ int i = MathHelper.floor(this.locX);
+ int j = MathHelper.floor(this.getBoundingBox().b); // minY of bounding box
+ int k = MathHelper.floor(this.locZ);
+ Block below = this.world.getType(new BlockPosition(i, j, k).down()).getBlock();
+
+ return below == Blocks.WATER || below == Blocks.FLOWING_WATER;
+ // Paper end
}
public boolean canSpawn() {
--
2.8.0