geforkt von Mirrors/Paper
00be0b7b30
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: d25437bc Update to Minecraft 1.18-pre8 CraftBukkit Changes: 5a39a236 Update to Minecraft 1.18-pre8 Spigot Changes: 7840c2af Update to Minecraft 1.18-pre8
56 Zeilen
2.6 KiB
Diff
56 Zeilen
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Tue, 22 Mar 2016 00:33:47 -0400
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Subject: [PATCH] Use a Shared Random for Entities
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Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index ddbbef22813831267c407d9864ce8decb5706df5..664d7199e21f0c617ba41bc7596ead99a0325792 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -152,6 +152,21 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, i
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return tag.contains("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
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}
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+ // Paper start
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+ public static Random SHARED_RANDOM = new Random() {
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+ private boolean locked = false;
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+ @Override
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+ public synchronized void setSeed(long seed) {
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+ if (locked) {
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+ LogManager.getLogger().error("Ignoring setSeed on Entity.SHARED_RANDOM", new Throwable());
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+ } else {
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+ super.setSeed(seed);
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+ locked = true;
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+ }
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+ }
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+ };
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+ // Paper end
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+
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private CraftEntity bukkitEntity;
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public CraftEntity getBukkitEntity() {
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@@ -333,7 +348,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, i
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this.bb = Entity.INITIAL_AABB;
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this.stuckSpeedMultiplier = Vec3.ZERO;
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this.nextStep = 1.0F;
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- this.random = new Random();
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+ this.random = SHARED_RANDOM; // Paper
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this.remainingFireTicks = -this.getFireImmuneTicks();
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this.fluidHeight = new Object2DoubleArrayMap(2);
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this.firstTick = true;
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diff --git a/src/main/java/net/minecraft/world/entity/animal/Squid.java b/src/main/java/net/minecraft/world/entity/animal/Squid.java
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index 09ec4d66aaa5b9e4ef09750a76cebc389a4306fd..370513fbc39f178f903ce140ced1a97029dd39db 100644
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--- a/src/main/java/net/minecraft/world/entity/animal/Squid.java
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+++ b/src/main/java/net/minecraft/world/entity/animal/Squid.java
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@@ -47,7 +47,7 @@ public class Squid extends WaterAnimal {
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public Squid(EntityType<? extends Squid> type, Level world) {
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super(type, world);
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- this.random.setSeed((long) this.getId());
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+ //this.random.setSeed((long) this.getId()); // Paper - we set the random to shared, do not clobber the seed
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this.tentacleSpeed = 1.0F / (this.random.nextFloat() + 1.0F) * 0.2F;
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}
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