From 4f7ce2bba482d32179e6b76b5bec2aa4d3010fec Mon Sep 17 00:00:00 2001
From: Phoenix616 <mail@moep.tv>
Date: Tue, 18 Sep 2018 23:53:23 +0100
Subject: [PATCH] PreSpawnerSpawnEvent

This adds a separate event before an entity is spawned by a spawner
which contains the location of the spawner too similarly to how the
SpawnerSpawnEvent gets called instead of the CreatureSpawnEvent for
spawners.

diff --git a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
index 55764dee..b2e6e2a7 100644
--- a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
+++ b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
@@ -105,14 +105,14 @@ public abstract class MobSpawnerAbstract {
 
                     // Paper start
                     EntityTypes entityType = optional.get();
-                    String key = entityType.getKey().getKey();
+                    String key = EntityTypes.getName(entityType).getKey();
                     org.bukkit.entity.EntityType type = org.bukkit.entity.EntityType.fromName(key);
                     if (type != null) {
-                        com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event;
-                        event = new com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent(
+                        com.destroystokyo.paper.event.entity.PreSpawnerSpawnEvent event;
+                        event = new com.destroystokyo.paper.event.entity.PreSpawnerSpawnEvent(
                             MCUtil.toLocation(world, d3, d4, d5),
                             type,
-                            org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER
+                            MCUtil.toLocation(world, blockposition)
                         );
                         if (!event.callEvent()) {
                             flag = true;
-- 
2.20.1