113 lines
4.7 KiB
Diff
113 lines
4.7 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/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
|
|
index 1cd40266418a3805f05b09c554d561e2e83822e5..bc098b6a9c0e3b19b9154ab3727949232bddb20a 100644
|
|
--- a/src/main/java/net/minecraft/world/entity/Entity.java
|
|
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
|
|
@@ -169,6 +169,79 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
|
|
return tag.contains("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
|
|
}
|
|
|
|
+ // Paper start - Share random for entities to make them more random
|
|
+ public static RandomSource SHARED_RANDOM = new RandomRandomSource();
|
|
+ private static final class RandomRandomSource extends java.util.Random implements net.minecraft.world.level.levelgen.BitRandomSource {
|
|
+ private boolean locked = false;
|
|
+
|
|
+ @Override
|
|
+ public synchronized void setSeed(long seed) {
|
|
+ if (locked) {
|
|
+ LOGGER.error("Ignoring setSeed on Entity.SHARED_RANDOM", new Throwable());
|
|
+ } else {
|
|
+ super.setSeed(seed);
|
|
+ locked = true;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public RandomSource fork() {
|
|
+ return new net.minecraft.world.level.levelgen.LegacyRandomSource(this.nextLong());
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public net.minecraft.world.level.levelgen.PositionalRandomFactory forkPositional() {
|
|
+ return new net.minecraft.world.level.levelgen.LegacyRandomSource.LegacyPositionalRandomFactory(this.nextLong());
|
|
+ }
|
|
+
|
|
+ // these below are added to fix reobf issues that I don't wanna deal with right now
|
|
+ @Override
|
|
+ public int next(int bits) {
|
|
+ return super.next(bits);
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public int nextInt(int origin, int bound) {
|
|
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt(origin, bound);
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public long nextLong() {
|
|
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextLong();
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public int nextInt() {
|
|
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt();
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public int nextInt(int bound) {
|
|
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt(bound);
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public boolean nextBoolean() {
|
|
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextBoolean();
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public float nextFloat() {
|
|
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextFloat();
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public double nextDouble() {
|
|
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextDouble();
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public double nextGaussian() {
|
|
+ return super.nextGaussian();
|
|
+ }
|
|
+ }
|
|
+ // Paper end - Share random for entities to make them more random
|
|
+
|
|
private CraftEntity bukkitEntity;
|
|
|
|
public CraftEntity getBukkitEntity() {
|
|
@@ -364,7 +437,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
|
|
this.bb = Entity.INITIAL_AABB;
|
|
this.stuckSpeedMultiplier = Vec3.ZERO;
|
|
this.nextStep = 1.0F;
|
|
- this.random = RandomSource.create();
|
|
+ this.random = SHARED_RANDOM; // Paper - Share random for entities to make them more random
|
|
this.remainingFireTicks = -this.getFireImmuneTicks();
|
|
this.fluidHeight = new Object2DoubleArrayMap(2);
|
|
this.fluidOnEyes = new HashSet();
|
|
diff --git a/src/main/java/net/minecraft/world/entity/animal/Squid.java b/src/main/java/net/minecraft/world/entity/animal/Squid.java
|
|
index a98c7d9bf8dbaf9df51551fe66f7927798e9670f..43b4ea96c5c4a6234e5b83d41db9b85c1fe27b8f 100644
|
|
--- a/src/main/java/net/minecraft/world/entity/animal/Squid.java
|
|
+++ b/src/main/java/net/minecraft/world/entity/animal/Squid.java
|
|
@@ -42,7 +42,7 @@ public class Squid extends WaterAnimal {
|
|
|
|
public Squid(EntityType<? extends Squid> type, Level world) {
|
|
super(type, world);
|
|
- this.random.setSeed((long)this.getId());
|
|
+ //this.random.setSeed((long)this.getId()); // Paper - Share random for entities to make them more random
|
|
this.tentacleSpeed = 1.0F / (this.random.nextFloat() + 1.0F) * 0.2F;
|
|
}
|
|
|