Paper/patches/server/0138-provide-a-configurable-option-to-disable-creeper-lin.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sun, 11 Jun 2017 21:01:18 +0100
Subject: [PATCH] provide a configurable option to disable creeper lingering
 effect spawns


diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index c93346af613c50c7797c991c0b3bb6565729129f..e2894138d3efb32161087ad2a1093b8c15c56a65 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -377,4 +377,10 @@ public class PaperWorldConfig {
         parrotsHangOnBetter = getBoolean("parrots-are-unaffected-by-player-movement", false);
         log("Parrots are unaffected by player movement: " + parrotsHangOnBetter);
     }
+
+    public boolean disableCreeperLingeringEffect;
+    private void setDisableCreeperLingeringEffect() {
+        disableCreeperLingeringEffect = getBoolean("disable-creeper-lingering-effect", false);
+        log("Creeper lingering effect: " + disableCreeperLingeringEffect);
+    }
 }
diff --git a/src/main/java/net/minecraft/world/entity/monster/Creeper.java b/src/main/java/net/minecraft/world/entity/monster/Creeper.java
index 1c934f77b5040eb317b5b489f5c4ba55e76743c8..aa16a81ee447e8bae274668f2240627d060398ba 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Creeper.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Creeper.java
@@ -281,7 +281,7 @@ public class Creeper extends Monster implements PowerableMob {
     private void spawnLingeringCloud() {
         Collection<MobEffectInstance> collection = this.getActiveEffects();
 
-        if (!collection.isEmpty()) {
+        if (!collection.isEmpty() && !level.paperConfig.disableCreeperLingeringEffect) { // Paper
             AreaEffectCloud entityareaeffectcloud = new AreaEffectCloud(this.level, this.getX(), this.getY(), this.getZ());
 
             entityareaeffectcloud.setOwner(this); // CraftBukkit