Paper/Spigot-API-Patches/0171-Entity-getEntitySpawnReason.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 24 Mar 2019 00:21:23 -0400
Subject: [PATCH] Entity#getEntitySpawnReason

Allows you to return the SpawnReason for why an Entity Spawned

Pre existing entities will return NATURAL if it was a non
persistenting Living Entity, SPAWNER for spawners,
or DEFAULT since data was not stored.

diff --git a/src/main/java/org/bukkit/entity/Entity.java b/src/main/java/org/bukkit/entity/Entity.java
index 12729b6d9b3902c7c225655de273cb3c075fb695..0053b1d4f6ebf21d108dd40b9ce2a9e081ecea98 100644
--- a/src/main/java/org/bukkit/entity/Entity.java
+++ b/src/main/java/org/bukkit/entity/Entity.java
@@ -649,5 +649,11 @@ public interface Entity extends Metadatable, CommandSender, Nameable, Persistent
      */
     @NotNull
     Chunk getChunk();
+
+    /**
+     * @return The {@link org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason} that spawned this entity.
+     */
+    @NotNull
+    org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason getEntitySpawnReason();
     // Paper end
 }