Archiviert
13
0
Dieses Repository wurde am 2024-12-25 archiviert. Du kannst Dateien ansehen und es klonen, aber nicht pushen oder Issues/Pull-Requests öffnen.
Paper-Old/patches/server-remapped/0069-Use-a-Shared-Random-for-Entities.patch
2021-06-11 14:02:28 +02:00

43 Zeilen
1.8 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/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 93d3408231a177cf6d2086594756adffe3efa702..61048140cf0adca03bfb57193ada0adaee73b1bb 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -142,6 +142,21 @@ public abstract class Entity implements Nameable, CommandSource, net.minecraft.s
return tag.contains("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() {
@@ -271,7 +286,7 @@ public abstract class Entity implements Nameable, CommandSource, net.minecraft.s
this.stuckSpeedMultiplier = Vec3.ZERO;
this.nextStep = 1.0F;
this.nextFlap = 1.0F;
- this.random = new Random();
+ this.random = SHARED_RANDOM; // Paper
this.remainingFireTicks = -this.getFireImmuneTicks();
this.fluidHeight = new Object2DoubleArrayMap(2);
this.firstTick = true;