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Allow enabling sand duping (#10191)

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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.
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Owen 2024-03-03 17:05:34 -05:00 • committed by GitHub
parent b21eb4d9a4
commit 89d51d5f29
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673 changed files with 157 additions and 189 deletions
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patches/server/0732-Prevent-tile-entity-copies-loading-chunks.patch Normal file
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@ -0,0 +1,24 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Wed, 13 Apr 2022 08:25:42 +0100
Subject: [PATCH] Prevent tile entity copies loading chunks
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 53a0ad0125e947537ed537b627d1b02c27f0a63d..de2b8ae62bdd9e97aa696768f84543cd4a6522cc 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -3111,7 +3111,12 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
BlockPos blockposition = BlockEntity.getPosFromTag(nbttagcompound);
if (this.player.level().isLoaded(blockposition)) {
- BlockEntity tileentity = this.player.level().getBlockEntity(blockposition);
+ // Paper start - Prevent tile entity copies loading chunks
+ BlockEntity tileentity = null;
+ if (this.player.distanceToSqr(blockposition.getX(), blockposition.getY(), blockposition.getZ()) < 32 * 32 && this.player.serverLevel().isLoadedAndInBounds(blockposition)) {
+ tileentity = this.player.level().getBlockEntity(blockposition);
+ }
+ // Paper end - Prevent tile entity copies loading chunks
if (tileentity != null) {
tileentity.saveToItem(itemstack);