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 c4ce2f6a2737891337a4369deee5d98f990edeab..d2eb455eb527ca819565e6538f97d1972afc8a7f 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -3202,7 +3202,12 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
                 BlockPos blockposition = BlockEntity.getPosFromTag(customdata.getUnsafe());
 
                 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, this.player.level().registryAccess());