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Gale/patches/server/0118-Reduce-RandomSource-instances.patch
Dreeam 2c4cde4687 Updated Upstream (Paper) 
Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@41bc31b Update paperweight to 1.7.3 (#11445)
PaperMC/Paper@e17eb6b Improve entity effect API (#11444)
PaperMC/Paper@7b03141 Add startingBrewTime (#11406)
PaperMC/Paper@355b1cb Add API for explosions to damage the explosion cause (#11180)
PaperMC/Paper@6d7a438 Call bucket events for cauldrons (#7486)
2024-09-29 00:18:22 +00:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Tue, 29 Nov 2022 00:45:45 +0100
Subject: [PATCH] Reduce RandomSource instances
License: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
Gale - https://galemc.org
This patch is based on the following patch:
"don't create new random instance"
By: foss-mc <69294560+foss-mc@users.noreply.github.com>
As part of: Patina (https://github.com/PatinaMC/Patina)
Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
diff --git a/src/main/java/net/minecraft/server/commands/SpreadPlayersCommand.java b/src/main/java/net/minecraft/server/commands/SpreadPlayersCommand.java
index b47a8a082170bcb630c4354be7c77a4cac71d105..b49e3f2cdc1fa5ff3723fae452404664ff710252 100644
--- a/src/main/java/net/minecraft/server/commands/SpreadPlayersCommand.java
+++ b/src/main/java/net/minecraft/server/commands/SpreadPlayersCommand.java
@@ -66,7 +66,7 @@ public class SpreadPlayersCommand {
if (maxY < j) {
throw SpreadPlayersCommand.ERROR_INVALID_MAX_HEIGHT.create(maxY, j);
} else {
- RandomSource randomsource = RandomSource.create();
+ RandomSource randomsource = source.getLevel().random; // Gale - Patina - reduce RandomSource instances
double d0 = (double) (center.x - maxRange);
double d1 = (double) (center.y - maxRange);
double d2 = (double) (center.x + maxRange);
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 61e2fc796d49fe45229a1b0cd630355ab7d59883..1b3d0bb2ea57572b1419373873f04cc4e62d3795 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -466,7 +466,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player imple
long l = k * k;
int i1 = l > 2147483647L ? Integer.MAX_VALUE : (int) l;
int j1 = this.getCoprime(i1);
- int k1 = RandomSource.create().nextInt(i1);
+ int k1 = worldserver.random.nextInt(i1); // Gale - Patina - reduce RandomSource instances
for (int l1 = 0; l1 < i1; ++l1) {
int i2 = (k1 + j1 * l1) % i1;
@@ -505,7 +505,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player imple
long l = k * k;
int i1 = l > 2147483647L ? Integer.MAX_VALUE : (int) l;
int j1 = this.getCoprime(i1);
- int k1 = RandomSource.create().nextInt(i1);
+ int k1 = world.random.nextInt(i1); // Gale - Patina - reduce RandomSource instances
for (int l1 = 0; l1 < i1; ++l1) {
int i2 = (k1 + j1 * l1) % i1;
diff --git a/src/main/java/net/minecraft/server/rcon/thread/QueryThreadGs4.java b/src/main/java/net/minecraft/server/rcon/thread/QueryThreadGs4.java
index 0e0867d7add9a024bbe9471f8ff92bbb25996a3d..94ffa65fa99c4c713936f7004d9f46ac94a9fe7a 100644
--- a/src/main/java/net/minecraft/server/rcon/thread/QueryThreadGs4.java
+++ b/src/main/java/net/minecraft/server/rcon/thread/QueryThreadGs4.java
@@ -341,7 +341,7 @@ public class QueryThreadGs4 extends GenericThread {
this.identBytes[2] = bs[5];
this.identBytes[3] = bs[6];
this.ident = new String(this.identBytes, StandardCharsets.UTF_8);
- this.challenge = RandomSource.create().nextInt(16777216);
+ this.challenge = java.util.concurrent.ThreadLocalRandom.current().nextInt(16777216); // Gale - Patina - reduce RandomSource instances
this.challengeBytes = String.format(Locale.ROOT, "\t%s%d\u0000", this.ident, this.challenge).getBytes(StandardCharsets.UTF_8);
}
diff --git a/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java b/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java
index 1223c5d23d0ea6aed068bdf0f5725e2ad49fc82c..5df85ba4904a6b4b69ab584e9f30d34c68925a5c 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java
@@ -88,7 +88,7 @@ public class FishingHook extends Projectile {
private FishingHook(EntityType<? extends FishingHook> type, Level world, int luckBonus, int waitTimeReductionTicks) {
super(type, world);
- this.syncronizedRandom = RandomSource.create();
+ this.syncronizedRandom = world.random; // Gale - Patina - reduce RandomSource instances
this.openWater = true;
this.currentState = FishingHook.FishHookState.FLYING;
this.noCulling = true;
diff --git a/src/main/java/net/minecraft/world/entity/raid/Raid.java b/src/main/java/net/minecraft/world/entity/raid/Raid.java
index 5c0e5803284bfc82c2dd8bba9ded0ba7aac4962a..2cc37e5734233954710c4ef55bf3b2918f2026d5 100644
--- a/src/main/java/net/minecraft/world/entity/raid/Raid.java
+++ b/src/main/java/net/minecraft/world/entity/raid/Raid.java
@@ -116,7 +116,7 @@ public class Raid {
public Raid(int id, ServerLevel world, BlockPos pos) {
this.raidEvent = new ServerBossEvent(Raid.RAID_NAME_COMPONENT, BossEvent.BossBarColor.RED, BossEvent.BossBarOverlay.NOTCHED_10);
- this.random = RandomSource.create();
+ this.random = world.random; // Gale - Patina - reduce RandomSource instances
this.waveSpawnPos = Optional.empty();
this.id = id;
this.level = world;
@@ -130,7 +130,7 @@ public class Raid {
public Raid(ServerLevel world, CompoundTag nbt) {
this.raidEvent = new ServerBossEvent(Raid.RAID_NAME_COMPONENT, BossEvent.BossBarColor.RED, BossEvent.BossBarOverlay.NOTCHED_10);
- this.random = RandomSource.create();
+ this.random = world.random; // Gale - Patina - reduce RandomSource instances
this.waveSpawnPos = Optional.empty();
this.level = world;
this.id = nbt.getInt("Id");
diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
index 94e0a6cdf5c340dd11374e890963d043a440650a..df04f39d8e40eaab3a29ed33f253728d236c6957 100644
--- a/src/main/java/net/minecraft/world/level/Explosion.java
+++ b/src/main/java/net/minecraft/world/level/Explosion.java
@@ -336,7 +336,7 @@ public class Explosion {
}
public Explosion(Level world, @Nullable Entity entity, @Nullable DamageSource damageSource, @Nullable ExplosionDamageCalculator behavior, double x, double y, double z, float power, boolean createFire, Explosion.BlockInteraction destructionType, ParticleOptions particle, ParticleOptions emitterParticle, Holder<SoundEvent> soundEvent) {
- this.random = RandomSource.create();
+ this.random = world == null || world.random == null ? RandomSource.create() : world.random; // Gale - Patina - reduce RandomSource instances
this.toBlow = new ObjectArrayList();
this.hitPlayers = Maps.newHashMap();
this.level = world;
diff --git a/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
index 89df488afeffd0c060d2d0e7fae16daf978bd192..ec0dc7dc5b5c0690a592006f29513f0e80123f8a 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
@@ -268,7 +268,7 @@ public class TheEndGatewayBlockEntity extends TheEndPortalBlockEntity {
}
private static void spawnGatewayPortal(ServerLevel world, BlockPos pos, EndGatewayConfiguration config) {
- Feature.END_GATEWAY.place(config, world, world.getChunkSource().getGenerator(), RandomSource.create(), pos);
+ Feature.END_GATEWAY.place(config, world, world.getChunkSource().getGenerator(), world.random, pos); // Gale - Patina - reduce RandomSource instances
}
@Override
diff --git a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
index 84300f2f7b7be4f5281edd8e263646dbcbb3ba07..db38112104fe6009b57788b79e0cad4cf180badb 100644
--- a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
+++ b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
@@ -474,7 +474,7 @@ public class EndDragonFight {
this.level.registryAccess().registry(Registries.CONFIGURED_FEATURE).flatMap((iregistry) -> {
return iregistry.getHolder(EndFeatures.END_GATEWAY_DELAYED);
}).ifPresent((holder_c) -> {
- ((ConfiguredFeature) holder_c.value()).place(this.level, this.level.getChunkSource().getGenerator(), RandomSource.create(), pos);
+ ((ConfiguredFeature) holder_c.value()).place(this.level, this.level.getChunkSource().getGenerator(), this.level.random, pos); // Gale - Patina - reduce RandomSource instances
});
}
@@ -492,7 +492,7 @@ public class EndDragonFight {
this.portalLocation = this.portalLocation.atY(this.level.getMinBuildHeight() + 1);
}
// Paper end - Prevent "softlocked" exit portal generation
- if (worldgenendtrophy.place(FeatureConfiguration.NONE, this.level, this.level.getChunkSource().getGenerator(), RandomSource.create(), this.portalLocation)) {
+ if (worldgenendtrophy.place(FeatureConfiguration.NONE, this.level, this.level.getChunkSource().getGenerator(), this.level.random, this.portalLocation)) { // Gale - Patina - reduce RandomSource instances
int i = Mth.positiveCeilDiv(4, 16);
this.level.getChunkSource().chunkMap.waitForLightBeforeSending(new ChunkPos(this.portalLocation), i);
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