papermc/Spigot-Server-Patches/0228-Reset-spawner-timer-when-spawner-event-is-cancelled.patch

From 2d6f54549cc44458e18bb0c430ffa3528c0cee54 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Mon, 31 Jul 2017 01:45:19 -0500
Subject: [PATCH] Reset spawner timer when spawner event is cancelled


diff --git a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
index 1ed0def1e..87fe4775f 100644
--- a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
+++ b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
@@ -113,6 +113,9 @@ public abstract class MobSpawnerAbstract {
                         {
                             entity.fromMobSpawner = true;
                         }
+
+                        flag = true; // Paper
+
                         if (org.bukkit.craftbukkit.event.CraftEventFactory.callSpawnerSpawnEvent(entity, blockposition).isCancelled()) {
                             continue;
                         }
@@ -123,7 +126,7 @@ public abstract class MobSpawnerAbstract {
                             entityinsentient.doSpawnEffect();
                         }
 
-                        flag = true;
+                        /*flag = true;*/ // Paper - moved up above cancellable event
                     }
                 }
 
-- 
2.16.2