SPIGOT-5526: Call EntityEnterBlockEvent for bees trying to enter hives

nms-patches/TileEntityBeehive.patch

@@ -1,6 +1,25 @@
 --- a/net/minecraft/server/TileEntityBeehive.java
 +++ b/net/minecraft/server/TileEntityBeehive.java
-@@ -163,6 +163,7 @@
+@@ -108,6 +108,18 @@
+ 
+     public void a(Entity entity, boolean flag, int i) {
+         if (this.bees.size() < 3) {
++            // CraftBukkit start
++            if (this.world != null) {
++                org.bukkit.event.entity.EntityEnterBlockEvent event = new org.bukkit.event.entity.EntityEnterBlockEvent(entity.getBukkitEntity(), org.bukkit.craftbukkit.block.CraftBlock.at(world, getPosition()));
++                org.bukkit.Bukkit.getPluginManager().callEvent(event);
++                if (event.isCancelled()) {
++                    if (entity instanceof EntityBee) {
++                        ((EntityBee) entity).setCannotEnterHiveTicks(400);
++                    }
++                    return;
++                }
++            }
++            // CraftBukkit end
+             entity.stopRiding();
+             entity.ejectPassengers();
+             NBTTagCompound nbttagcompound = new NBTTagCompound();
+@@ -163,6 +175,7 @@
                      if (!entity.getEntityType().a(TagsEntity.BEEHIVE_INHABITORS)) {
                          return false;
                      } else {
@@ -8,7 +27,7 @@
                          if (entity instanceof EntityBee) {
                              EntityBee entitybee = (EntityBee) entity;
  
-@@ -196,7 +197,7 @@
+@@ -196,7 +209,7 @@
                          BlockPosition blockposition2 = this.getPosition();
  
                          this.world.playSound((EntityHuman) null, (double) blockposition2.getX(), (double) blockposition2.getY(), (double) blockposition2.getZ(), SoundEffects.BLOCK_BEEHIVE_EXIT, SoundCategory.BLOCKS, 1.0F, 1.0F);
@@ -17,7 +36,7 @@
                      }
                  } else {
                      return false;
-@@ -223,6 +224,11 @@
+@@ -223,6 +236,11 @@
                  if (this.a(iblockdata, nbttagcompound, (List) null, tileentitybeehive_releasestatus)) {
                      iterator.remove();
                  }