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https://github.com/PurpurMC/Purpur.git
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50687db565
Upstream has released updates that appear to apply and compile correctly Paper Changes: PaperMC/Paper@b097a24 Expose isUnderWater to Entity (#8454) PaperMC/Paper@6b26cfc Add missing Entity + Projectile API (#7632) PaperMC/Paper@de2d2d4 Add PlayerInventorySlotChangeEvent (#7321) PaperMC/Paper@f7c8d79 Fix stacktrace in server tests PaperMC/Paper@b9cf1ac Fix a classloading issue in tests (#8459) PaperMC/Paper@7fe34e9 Make CraftMinecartTNT public PaperMC/Paper@514a606 Elder Guardian appearance API (#8455) PaperMC/Paper@2094011 Update settings directory path in exceptions (#7968) PaperMC/Paper@0bdf997 Avoid cycle deprecation (#8466) PaperMC/Paper@eb68bd4 Allow changing bed's 'occupied' property (#8458)
51 lines
3.0 KiB
Diff
51 lines
3.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Encode42 <me@encode42.dev>
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Date: Tue, 12 Jul 2022 14:16:10 -0400
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Subject: [PATCH] Add toggle for RNG manipulation
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Paper patches RNG maniplulation by using a shared (and locked) random source.
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This comes with a performance gain, but technical players may prefer the ability to manipulate RNG.
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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 c0ad8f069d78719e01d92c42a190a4e57d6b6d67..0ffaccb3e6ae2a400f1def283b62024e8bfc05e4 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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@@ -576,7 +576,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
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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 = SHARED_RANDOM; // Paper
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+ this.random = world.purpurConfig.entitySharedRandom ? SHARED_RANDOM : RandomSource.create(); // Paper // Purpur
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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 21f5304e01e0844f1bbf3e1b2f9d50c01f8bf8fd..8afdb5d4fecbb45bad2ed801fc0e526d15ef07c5 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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@@ -46,7 +46,7 @@ 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((long) this.getId()); // Paper - we set the random to shared, do not clobber the seed
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+ if (!world.purpurConfig.entitySharedRandom) this.random.setSeed((long) this.getId()); // Paper - we set the random to shared, do not clobber the seed // Purpur
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this.tentacleSpeed = 1.0F / (this.random.nextFloat() + 1.0F) * 0.2F;
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}
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diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
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index 1c0d12579bcb375698ce40804279094d03d7133b..f4c1698a7e8a929313bbc5aec6df197237cc2680 100644
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--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
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+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
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@@ -207,9 +207,11 @@ public class PurpurWorldConfig {
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public int entityLifeSpan = 0;
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public float entityLeftHandedChance = 0.05f;
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+ public boolean entitySharedRandom = true;
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private void entitySettings() {
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entityLifeSpan = getInt("gameplay-mechanics.entity-lifespan", entityLifeSpan);
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entityLeftHandedChance = (float) getDouble("gameplay-mechanics.entity-left-handed-chance", entityLeftHandedChance);
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+ entitySharedRandom = getBoolean("settings.entity.shared-random", entitySharedRandom);
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}
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public boolean infinityWorksWithoutArrows = false;
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