From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Sat, 18 Mar 2023 18:51:33 +0100
Subject: [PATCH] Fix chiseled bookshelf and jukebox setItem with air


diff --git a/src/main/java/net/minecraft/world/level/block/entity/ChiseledBookShelfBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/ChiseledBookShelfBlockEntity.java
index 1714102815e6c32bc161e88b1634f7a80908850a..47e194ef4e75f95573b40ff9f1a11810381cfce8 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/ChiseledBookShelfBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/ChiseledBookShelfBlockEntity.java
@@ -146,7 +146,7 @@ public class ChiseledBookShelfBlockEntity extends BlockEntity implements Contain
 
     @Override
     public void setItem(int slot, ItemStack stack) {
-        if (stack.is(ItemTags.BOOKSHELF_BOOKS)) {
+        if (stack.isEmpty() || stack.is(ItemTags.BOOKSHELF_BOOKS)) { // Paper
             this.items.set(slot, stack);
             if (level != null) this.updateState(slot); // CraftBukkit - SPIGOT-7381: check for null world
         }
diff --git a/src/main/java/net/minecraft/world/level/block/entity/JukeboxBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/JukeboxBlockEntity.java
index 77ece220a2e204c3e66e660c639abda957bf21b9..62acd6686626c84c9fc3964af62097101e8e582f 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/JukeboxBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/JukeboxBlockEntity.java
@@ -183,6 +183,12 @@ public class JukeboxBlockEntity extends BlockEntity implements Clearable, Contai
 
     @Override
     public void setItem(int slot, ItemStack stack) {
+        // Paper start
+        if (stack.isEmpty()) {
+            this.removeItem(slot, 0);
+            return;
+        }
+        // Paper end
         if (stack.is(ItemTags.MUSIC_DISCS) && this.level != null) {
             this.items.set(slot, stack);
             this.setHasRecordBlockState((Entity) null, true);