patches/server/0509-Don-t-ignore-result-of-PlayerEditBookEvent.patch


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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Mon, 5 Apr 2021 18:35:15 -0700
Subject: [PATCH] Don't ignore result of PlayerEditBookEvent


diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 21544ad90171e3705ee23174a6fbff173a3ef23c..e89a87500c81da73a8a8b698303c4300c49fd95a 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1155,7 +1155,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
             List<Filterable<String>> list1 = pages.stream().map(this::filterableFromOutgoing).toList();
 
             itemstack.set(DataComponents.WRITABLE_BOOK_CONTENT, new WritableBookContent(list1));
-            CraftEventFactory.handleEditBookEvent(this.player, slotId, handItem, itemstack); // CraftBukkit
+            this.player.getInventory().setItem(slotId, CraftEventFactory.handleEditBookEvent(this.player, slotId, handItem, itemstack)); // CraftBukkit // Paper - Don't ignore result (see other callsite for handleEditBookEvent)
         }
     }