PaperMC/patches/api/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.

Co-authored-by: Aurora <aurora@relanet.eu>

diff --git a/src/main/java/org/bukkit/entity/Entity.java b/src/main/java/org/bukkit/entity/Entity.java
index 9eca441d6702752938813a1c97724edf13134171..9d3c3dedb4f71b9fc35cb5da6e38c77c7c673ad6 100644
--- a/src/main/java/org/bukkit/entity/Entity.java
+++ b/src/main/java/org/bukkit/entity/Entity.java
@@ -781,5 +781,11 @@ public interface Entity extends Metadatable, CommandSender, Nameable, Persistent
         // TODO remove impl here
         return getLocation().getChunk();
     }
+
+    /**
+     * @return The {@link org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason} that initially spawned this entity. <!-- Paper - added "initially" to clarify that the SpawnReason doesn't change after the Entity was initially spawned" -->
+     */
+    @NotNull
+    org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason getEntitySpawnReason();
     // Paper end
 }