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https://github.com/PurpurMC/Purpur.git
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1f589eb065
Upstream has released updates that appear to apply and compile correctly Paper Changes: PaperMC/Paper@487109f Readd 0414 use distance map to optimise entity tracker (#9868) PaperMC/Paper@230682d Add raw iron & raw copper blocks to anti xray defaults (#7622) PaperMC/Paper@44057da Remove duplicate water-sensitivity damage for unaware mobs (#9908) PaperMC/Paper@f78d7ce Remove "fix-curing-zombie-villager-discount" exploit option (#9895) PaperMC/Paper@aa6c4c1 Include packet class name in packet encoding error messages (#9907) PaperMC/Paper@6592fed Use a server impl for hopper event to track get/setItem calls (#9905) PaperMC/Paper@bffb08c Deprecate Player#boostElytra (#9899) PaperMC/Paper@43c3432 Add entity API for getting the combined gene of a Panda (#9891) PaperMC/Paper@15a0de2 Make Team extend ForwardingAudience (#9852) PaperMC/Paper@0cdce89 Fix a bunch of stuff with player spawn locations (#9887) PaperMC/Paper@8a3980c Add API to get the collision shape of a block before it's placed (#9821) PaperMC/Paper@23860da Add predicate for block when raytracing (#9691) PaperMC/Paper@75d04e9 Broadcast take item packets with collector as source (#9884) PaperMC/Paper@2553f30 fix secure profile with proxy online mode (#9700) PaperMC/Paper@e289acc Add more API to LingeringPotionSplashEvent (#9901) PaperMC/Paper@8cafc07 Added missing enchantables to material tags (#9888)
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 bf48e496f4988f45ea8c92eb45544f44753e5738..af06a919673f2e4f41d1cd712caa5b002d12ae71 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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@@ -594,7 +594,7 @@ 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 == null || 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 88c238e492b1081d1a64a3b6f05d7baa17e5d8c9..dd7f2beabf0edad4143ac2365ac04a22edf1f75e 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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@@ -44,7 +44,7 @@ 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 4351793923ea16e3c3fe7ed547c1236cae0e952a..07b8826509d158e60ee6c3c847f7855b7469325f 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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@@ -204,9 +204,11 @@ 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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