Paper/Spigot-Server-Patches/0084-Use-a-Shared-Random-for-Entities.patch

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From 973464436acb53d2f606b3007faf0bf176912a26 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 22 Mar 2016 00:33:47 -0400
Subject: [PATCH] Use a Shared Random for Entities
Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index dbaf2863b..aabf25cf2 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -46,6 +46,7 @@ public abstract class Entity implements ICommandListener {
// CraftBukkit start
private static final int CURRENT_LEVEL = 2;
+ public static Random SHARED_RANDOM = new Random(); // Paper
static boolean isLevelAtLeast(NBTTagCompound tag, int level) {
return tag.hasKey("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
}
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@@ -165,7 +166,7 @@ public abstract class Entity implements ICommandListener {
this.length = 1.8F;
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this.ax = 1;
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this.ay = 1.0F;
- this.random = new Random();
+ this.random = SHARED_RANDOM; // Paper
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this.fireTicks = -this.getMaxFireTicks();
this.justCreated = true;
this.uniqueID = MathHelper.a(this.random);
--
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2.13.0