Allow enabling sand duping (#10191)

Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable.

It should be noted that this decision does not promise all future exploits will be configurable. 

1 files changed, 23 insertions, 0 deletions

diff --git a/patches/server/0941-Remove-Spigot-Bug-Fix-for-MC-109346.patch b/patches/server/0941-Remove-Spigot-Bug-Fix-for-MC-109346.patch
new file mode 100644
index 0000000000..8cd300599d
--- /dev/null
+++ b/patches/server/0941-Remove-Spigot-Bug-Fix-for-MC-109346.patch
@@ -0,0 +1,23 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Owen1212055 <[email protected]>
+Date: Sat, 23 Sep 2023 01:51:22 -0400
+Subject: [PATCH] Remove Spigot Bug Fix for MC-109346
+
+
+diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
+index da45984c9b2d3a55256efddde94580505f692655..c2a4fde17673a2bc3133aa0c68608c3da75d5cc5 100644
+--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
++++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
+@@ -348,12 +348,6 @@ public class ServerEntity {
+             ((LivingEntity) this.entity).detectEquipmentUpdatesPublic(); // CraftBukkit - SPIGOT-3789: sync again immediately after sending
+         }
+ 
+-        // CraftBukkit start - MC-109346: Fix for nonsensical head yaw
+-        if (this.entity instanceof ServerPlayer) {
+-            sender.accept(new ClientboundRotateHeadPacket(this.entity, (byte) Mth.floor(this.entity.getYHeadRot() * 256.0F / 360.0F)));
+-        }
+-        // CraftBukkit end
+-
+         if (!this.entity.getPassengers().isEmpty()) {
+             sender.accept(new ClientboundSetPassengersPacket(this.entity));
+         }