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8657cd91d7
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: 63c208dd Remove no longer used import 70be76c7 PR-958: Further clarify deprecation of TAG_CONTAINER_ARRAY ae21f4ac PR-955: Add methods to place structures with block/entity transformers e3d960f2 SPIGOT-7547: Remark that Damageable#setAbsorptionAmount() is capped to a specific value b125516c Fix typo in RecipeChoice.ExactChoice docs 309497c1 Add EntityMountEvent and EntityDismount Event 2fd45ae3 Improve ItemFactory#enchantItem consistency 2b198268 PR-933: Define native persistent data types for lists CraftBukkit Changes: 771182f70 PR-1327: Add methods to place structures with block/entity transformers e41ad4c82 SPIGOT-7567: SpawnReason for SNOWMAN is reported as BUILD_IRONGOLEM 76931e8bd Add EntityMountEvent and EntityDismount Event 9b29b21c7 PR-1183: Better handle lambda expression and renaming of classes in Commodore 1462ebe85 Reformat Commodore.java 9fde4c037 PR-1324: Improve ItemFactory#enchantItem consistency 4e419c774 PR-1295: Define native persistent data types for lists dd8cca388 SPIGOT-7562: Fix Score#getScore and Score#isScoreSet 690278200 Only fetch an online UUID in online mode 1da8d9a53 Fire PreLogin events even in offline mode 2e88514ad PR-1325: Use CraftBlockType and CraftItemType instead of CraftMagicNumbers to convert between minecraft and bukkit block / item representation Spigot Changes: 864e4acc Restore accidentally removed package-info.java f91a10d5 Remove obsolete EntityMountEvent and EntityDismountEvent 828f0593 SPIGOT-7558: Deprecate silenceable lightning API as sound is now client-side and cannot be removed cdc4e035 Remove obsolete patch fetching correct mode UUIDs 49e36b8e Merge related BungeeCord patches 6e87b9ab Remove obsolete firing of PreLogin events in offline mode 5c76b183 Remove redundant patch dealing with exceptions in the crash reporter 3a2219d1 Remove redundant patch logging cause of unexpected exception
114 lines
4.6 KiB
Diff
114 lines
4.6 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 76dddcd1a339842e6214bb1e4b813a858dbee63b..39ef390739c4bde28c87c1b83610602a86afd6ad 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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@@ -165,6 +165,79 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
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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 RandomSource SHARED_RANDOM = new RandomRandomSource();
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+ private static final class RandomRandomSource extends java.util.Random implements net.minecraft.world.level.levelgen.BitRandomSource {
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+ private boolean locked = false;
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+
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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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+ LOGGER.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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+ @Override
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+ public RandomSource fork() {
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+ return new net.minecraft.world.level.levelgen.LegacyRandomSource(this.nextLong());
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+ }
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+
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+ @Override
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+ public net.minecraft.world.level.levelgen.PositionalRandomFactory forkPositional() {
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+ return new net.minecraft.world.level.levelgen.LegacyRandomSource.LegacyPositionalRandomFactory(this.nextLong());
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+ }
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+
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+ // these below are added to fix reobf issues that I don't wanna deal with right now
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+ @Override
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+ public int next(int bits) {
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+ return super.next(bits);
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+ }
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+
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+ @Override
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+ public int nextInt(int origin, int bound) {
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+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt(origin, bound);
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+ }
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+
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+ @Override
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+ public long nextLong() {
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+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextLong();
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+ }
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+
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+ @Override
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+ public int nextInt() {
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+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt();
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+ }
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+
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+ @Override
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+ public int nextInt(int bound) {
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+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt(bound);
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+ }
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+
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+ @Override
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+ public boolean nextBoolean() {
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+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextBoolean();
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+ }
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+
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+ @Override
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+ public float nextFloat() {
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+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextFloat();
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+ }
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+
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+ @Override
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+ public double nextDouble() {
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+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextDouble();
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+ }
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+
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+ @Override
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+ public double nextGaussian() {
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+ return super.nextGaussian();
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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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@@ -413,7 +486,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
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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 = RandomSource.create();
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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.fluidOnEyes = new HashSet();
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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 891d8b4c8cb73d5e310970066831ab3e2af14e91..f60c4cd0543fd5d50fa7e2c1a9e8381227adb540 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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@@ -44,7 +44,7 @@ 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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