Files
Purpur/patches/server/0258-Add-toggle-for-RNG-manipulation.patch
granny 7377ee97fe Updated Upstream (Paper)
Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@862299b "Downgrade" Vineflower to 1.10.1 release (#10423)
PaperMC/Paper@9e886c4 Remove dead code (LegacyResult) (#10411)
PaperMC/Paper@3b078f8 Add API for ticking fluids (#10435)
PaperMC/Paper@908b814 Fix inventory desync with PlayerLeashEntityEvent (#10436)
PaperMC/Paper@3af1346 Allow setting player list name early
PaperMC/Paper@a033033 Added chunk view API (#10398)
PaperMC/Paper@c5f68ff Add CartographyItemEvent and get/setResult for CartographyInventory (#10396)
PaperMC/Paper@fc53ff5 Add Configuration for finding Structures outside World Border (#10437)
PaperMC/Paper@a6b6ecd More Raid API (#7537)
2024-04-21 14:39:56 -07:00

51 lines
3.1 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 2cac12d2b788b0962b719a83b43dc23177b76ac6..ec6187bc3f445acb86e69161ab1b82248b6e99e0 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -597,7 +597,7 @@ 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 - Share random for entities to make them more random
+ this.random = world == null || world.purpurConfig.entitySharedRandom ? SHARED_RANDOM : RandomSource.create(); // Paper - Share random for entities to make them more random // 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 fa15e43d19482125e1793e049d1a1380aced906c..38d1eb5680281b2812f2396677ffb959a6e089ce 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 - Share random for entities to make them more random
+ if (!world.purpurConfig.entitySharedRandom) this.random.setSeed((long)this.getId()); // Paper - Share random for entities to make them more random // 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 6e30be26888422187c145c5e7c81d24804119b90..7d0d298bd68ecba2ba1e2f3336d9aad4567dfde2 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;