Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-15 04:20:04 +01:00
526795bacd
* Update patches to handle vineflower decompiler * update patches again to handle inlined simple lambdas * update vf again and re-apply/rebuild patches * update patches after removal of verify-merges flag * fix compile issue * remove maven local * fix some issues * address more issues * fix collision patch * use paperweight release * more fixes * update fineflower and fix patches again * add missing comment descriptor --------- Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
114 Zeilen
4.7 KiB
Diff
114 Zeilen
4.7 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 9fb52c98455d547bdde6d56689528e78a5ddfed5..52220795bf8a73c63837b4e07b1abf99c0344322 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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@@ -166,6 +166,79 @@ 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 - Share random for entities to make them more random
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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 - Share random for entities to make them more random
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+
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private CraftEntity bukkitEntity;
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public CraftEntity getBukkitEntity() {
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@@ -362,7 +435,7 @@ 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 - Share random for entities to make them more random
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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 1d1a4a52f3a2361688fa81ca0a2cd2e00abe652d..051fb9f1e0d91b1cb1e2dec9a03f3b26fe64c82a 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(this.getId());
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+ //this.random.setSeed(this.getId()); // Paper - Share random for entities to make them more random
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this.tentacleSpeed = 1.0F / (this.random.nextFloat() + 1.0F) * 0.2F;
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}
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