Paper/patches/server/0147-Reset-spawner-timer-when-spawner-event-is-cancelled.patch

From 0000000000000000000000000000000000000000 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/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
index 487e4211d6486d2b3052c931c27cee9729e7841b..fdd1fd084c46b0220c9e7e0389e9b52e782d2878 100644
--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
@@ -168,6 +168,7 @@ public abstract class BaseSpawner {
                         }
 
                         entity.spawnedViaMobSpawner = true; // Paper
+                        flag = true; // Paper
                         // CraftBukkit start
                         if (org.bukkit.craftbukkit.event.CraftEventFactory.callSpawnerSpawnEvent(entity, pos).isCancelled()) {
                             continue;
@@ -184,7 +185,7 @@ public abstract class BaseSpawner {
                             ((Mob) entity).spawnAnim();
                         }
 
-                        flag = true;
+                        //flag = true; // Paper - moved up above cancellable event
                     }
                 }