SPIGOT-1773: Chorus fruit teleport reason

nms-patches/ItemChorusFruit.patch

@@ -0,0 +1,32 @@
+--- a/net/minecraft/server/ItemChorusFruit.java
++++ b/net/minecraft/server/ItemChorusFruit.java
+@@ -1,5 +1,11 @@
+ package net.minecraft.server;
+ 
++// CraftBukkit start
++import org.bukkit.Location;
++import org.bukkit.entity.Player;
++import org.bukkit.event.player.PlayerTeleportEvent;
++// CraftBukkit end
++
+ public class ItemChorusFruit extends ItemFood {
+ 
+     public ItemChorusFruit(int i, float f) {
+@@ -19,6 +25,17 @@
+                 double d4 = MathHelper.a(entityliving.locY + (double) (entityliving.getRandom().nextInt(16) - 8), 0.0D, (double) (world.Z() - 1));
+                 double d5 = entityliving.locZ + (entityliving.getRandom().nextDouble() - 0.5D) * 16.0D;
+ 
++                // CraftBukkit start
++                if (entityliving instanceof EntityPlayer) {
++                    Player player = ((EntityPlayer) entityliving).getBukkitEntity();
++                    PlayerTeleportEvent teleEvent = new PlayerTeleportEvent(player, player.getLocation(), new Location(player.getWorld(), d3, d4, d5), PlayerTeleportEvent.TeleportCause.CHORUS_FRUIT);
++                    world.getServer().getPluginManager().callEvent(teleEvent);
++                    if (teleEvent.isCancelled()) {
++                        break;
++                    }
++                }
++                // CraftBukkit end
++
+                 if (entityliving.k(d3, d4, d5)) {
+                     world.a((EntityHuman) null, d0, d1, d2, SoundEffects.af, SoundCategory.PLAYERS, 1.0F, 1.0F);
+                     entityliving.a(SoundEffects.af, 1.0F, 1.0F);