mirror of
https://github.com/PaperMC/Paper.git
synced 2024-06-26 23:04:50 +02:00
43 lines
1.7 KiB
Diff
43 lines
1.7 KiB
Diff
From 0000000000000000000000000000000000000000 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
|
|
index 10855cec1e0bee6af0878bad0d0b05c5a637fad2..58092a3d92820dc790048b42ab11ab15a8bab84e 100644
|
|
--- a/src/main/java/net/minecraft/server/Entity.java
|
|
+++ b/src/main/java/net/minecraft/server/Entity.java
|
|
@@ -58,6 +58,21 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
|
|
return tag.hasKey("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
|
|
}
|
|
|
|
+ // Paper start
|
|
+ public static Random SHARED_RANDOM = new Random() {
|
|
+ private boolean locked = false;
|
|
+ @Override
|
|
+ public synchronized void setSeed(long seed) {
|
|
+ if (locked) {
|
|
+ LogManager.getLogger().error("Ignoring setSeed on Entity.SHARED_RANDOM", new Throwable());
|
|
+ } else {
|
|
+ super.setSeed(seed);
|
|
+ locked = true;
|
|
+ }
|
|
+ }
|
|
+ };
|
|
+ // Paper end
|
|
+
|
|
private CraftEntity bukkitEntity;
|
|
|
|
public CraftEntity getBukkitEntity() {
|
|
@@ -192,7 +207,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
|
|
this.y = Vec3D.a;
|
|
this.av = 1.0F;
|
|
this.aw = 1.0F;
|
|
- this.random = new Random();
|
|
+ this.random = SHARED_RANDOM; // Paper
|
|
this.fireTicks = -this.getMaxFireTicks();
|
|
this.justCreated = true;
|
|
this.uniqueID = MathHelper.a(this.random);
|