Files
Purpur/patches/server/0261-Add-toggle-for-RNG-manipulation.patch
granny 236b06a2a3 Updated Upstream (Paper & Pufferfish)
Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@5e73c55 [ci skip] Add more identifying patch comments
PaperMC/Paper@3e20d3a [ci skip] Add more identifying patch comments
PaperMC/Paper@f61ebdc Fix issue with kick event causes being passed improperly
PaperMC/Paper@106c67a [ci skip] Add more identifying patch comments
PaperMC/Paper@cc693ce [ci skip] Add more identifying patch comments, merge related patches
PaperMC/Paper@eeb6afc [ci skip] Add more identifying patch comments, merge related patches
PaperMC/Paper@1c956ab [ci skip] Add more identifying patch comments, merge related patches
PaperMC/Paper@42e88a8 [ci skip] Add more identifying patch comments
PaperMC/Paper@8e41ef4 Add visual blockdata api for primed tnt (#10146)
PaperMC/Paper@68c3297 [ci skip] Add more identifying patch comments
PaperMC/Paper@4a98986 Add back Reduce allocation of Vec3D by entity tracker patch (#10179)
PaperMC/Paper@b48d737 Async world data IO saving (#10171)
PaperMC/Paper@8d94596 [ci skip] Add more identifying patch comments
PaperMC/Paper@f7dd304 [ci skip] Add more identifying patch comments
PaperMC/Paper@98e6d20 [ci skip] Add more identifying patch comments
PaperMC/Paper@e9e0bc1 [ci skip] Add more identifying patch comments
PaperMC/Paper@d9df6bc [ci skip] Add more patch identifying comments, cleanup
PaperMC/Paper@27cabc1 [ci skip] Add more patch identifying comments

Pufferfish Changes:
pufferfish-gg/Pufferfish@8e208d3 Fix Async World Saving attribution
2024-01-21 20:50:22 -08:00

51 lines
3.0 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Encode42 <me@encode42.dev>
Date: Tue, 12 Jul 2022 14:16:10 -0400
Subject: [PATCH] Add toggle for RNG manipulation
Paper patches RNG maniplulation by using a shared (and locked) random source.
This comes with a performance gain, but technical players may prefer the ability to manipulate RNG.
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 57376b7c0d281a7950a69348b5aa869e89719232..376acce7e0fd5dedfdf10fa94ced41bc473b7815 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -599,7 +599,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
this.bb = Entity.INITIAL_AABB;
this.stuckSpeedMultiplier = Vec3.ZERO;
this.nextStep = 1.0F;
- this.random = SHARED_RANDOM; // Paper
+ this.random = world == null || world.purpurConfig.entitySharedRandom ? SHARED_RANDOM : RandomSource.create(); // Paper // Purpur
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 88c238e492b1081d1a64a3b6f05d7baa17e5d8c9..dd7f2beabf0edad4143ac2365ac04a22edf1f75e 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Squid.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Squid.java
@@ -44,7 +44,7 @@ public class Squid extends WaterAnimal {
public Squid(EntityType<? extends Squid> type, Level world) {
super(type, world);
- //this.random.setSeed((long)this.getId()); // Paper - we set the random to shared, do not clobber the seed
+ if (!world.purpurConfig.entitySharedRandom) this.random.setSeed((long) this.getId()); // Paper - we set the random to shared, do not clobber the seed // Purpur
this.tentacleSpeed = 1.0F / (this.random.nextFloat() + 1.0F) * 0.2F;
}
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index 453d4b1c1d6b9a1521ce7a2e179dfcec0bf52a3c..c4174f1f3e6993a38cdb3cbd57553af9807a327b 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -204,9 +204,11 @@ public class PurpurWorldConfig {
public int entityLifeSpan = 0;
public float entityLeftHandedChance = 0.05f;
+ public boolean entitySharedRandom = true;
private void entitySettings() {
entityLifeSpan = getInt("gameplay-mechanics.entity-lifespan", entityLifeSpan);
entityLeftHandedChance = (float) getDouble("gameplay-mechanics.entity-left-handed-chance", entityLeftHandedChance);
+ entitySharedRandom = getBoolean("settings.entity.shared-random", entitySharedRandom);
}
public boolean infinityWorksWithoutArrows = false;