Paper/patches/server/0351-Bees-get-gravity-in-void.-Fixes-MC-167279.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sun, 26 Jan 2020 16:30:19 -0600
Subject: [PATCH] Bees get gravity in void. Fixes MC-167279


diff --git a/src/main/java/net/minecraft/world/entity/animal/Bee.java b/src/main/java/net/minecraft/world/entity/animal/Bee.java
index c5069740e922dc6028ba98f2fe9edac216780a19..6efa135bb149e1dbe05d1b8c4af82bd38b4aa37c 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Bee.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Bee.java
@@ -143,7 +143,22 @@ public class Bee extends Animal implements NeutralMob, FlyingAnimal {
     public Bee(EntityType<? extends Bee> type, Level world) {
         super(type, world);
         this.remainingCooldownBeforeLocatingNewFlower = Mth.nextInt(this.random, 20, 60);
-        this.moveControl = new FlyingMoveControl(this, 20, true);
+        // Paper start - apply gravity to bees when they get stuck in the void, fixes MC-167279
+        class BeeFlyingMoveControl extends FlyingMoveControl {
+            public BeeFlyingMoveControl(final Mob entity, final int maxPitchChange, final boolean noGravity) {
+                super(entity, maxPitchChange, noGravity);
+            }
+
+            @Override
+            public void tick() {
+                if (this.mob.getY() <= Bee.this.level.getMinBuildHeight()) {
+                    this.mob.setNoGravity(false);
+                }
+                super.tick();
+            }
+        }
+        this.moveControl = new BeeFlyingMoveControl(this, 20, true);
+        // Paper end
         this.lookControl = new Bee.BeeLookControl(this);
         this.setPathfindingMalus(BlockPathTypes.DANGER_FIRE, -1.0F);
         this.setPathfindingMalus(BlockPathTypes.WATER, -1.0F);