Paper/patches/server/0459-Fix-sand-duping.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Fri, 12 Jun 2020 13:33:19 -0700
Subject: [PATCH] Fix sand duping
If the falling block dies during teleportation (entity#move), then we need
to detect that by placing a check after the move.
diff --git a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
index 69f385c57f3716a489781debb32b4adf1cb9383d..15ec064cb9336924e16a7c9b3f76a9b6ef18d947 100644
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--- a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
+++ b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
@@ -106,6 +106,11 @@ public class FallingBlockEntity extends Entity {
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@Override
public void tick() {
+ // Paper start - fix sand duping
+ if (this.isRemoved()) {
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+ return;
+ }
+ // Paper end - fix sand duping
if (this.blockState.isAir()) {
this.discard();
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} else {
@@ -128,6 +133,12 @@ public class FallingBlockEntity extends Entity {
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this.move(MoverType.SELF, this.getDeltaMovement());
+ // Paper start - fix sand duping
+ if (this.isRemoved()) {
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+ return;
+ }
+ // Paper end - fix sand duping
+
// Paper start - Configurable EntityFallingBlock height nerf
if (this.level.paperConfig.fallingBlockHeightNerf != 0 && this.getY() > this.level.paperConfig.fallingBlockHeightNerf) {
if (this.dropItem && this.level.getGameRules().getBoolean(GameRules.RULE_DOENTITYDROPS)) {