papermc/Spigot-Server-Patches/0327-Fix-PlayerEditBookEvent.patch
Aikar ab347c4c96
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
42d5a714 SPIGOT-5899: Hoglins API similar to Piglins
2c1ee10e SPIGOT-5887: ClickType doesn't include off hand swaps
5ff7c7ce SPIGOT-5886: Missing BlockData

CraftBukkit Changes:
7560f5f5 SPIGOT-5905: Fix hex colours not being allowed in MOTD
d47c47ee SPIGOT-5889: Villager using composter should call EntityChangeBlockEvent
2fe6b4a3 SPIGOT-5899: Hoglins API similar to Piglins
e09dbeca SPIGOT-5887: ClickType doesn't include off hand swaps
23aac2a5 SPIGOT-5903: EntityDismountEvent cannot be triggered asynchronously
92cbf656 SPIGOT-5884: Tab completions lost on reloadData / minecraft:reload
fb4e54ad SPIGOT-5902: PlayerRespawnEvent places player at spawn before event is called
aa8f3d5a SPIGOT-5901: Structures are generated in all worlds based on the setting for the main world
a0c35937 SPIGOT-5895: PlayerChangedWorldEvent#getFrom is incorrect
89c0a5c3 SPIGOT-5886: Missing BlockData

Spigot Changes:
0287a20d SPIGOT-5903: EntityDismountEvent cannot be triggered asynchronously
2020-06-30 01:20:29 -04:00

30 lines
1.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Michael Himing <mhiming@gmail.com>
Date: Sun, 16 Dec 2018 13:07:33 +1100
Subject: [PATCH] Fix PlayerEditBookEvent
- Updating book writing (not signing) mutated the original item, making
it impossible to properly cancel the event or modify the book meta
- When the event was cancelled, the client's book would keep the
cancelled writing
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 148d5037db35437136242af07f6cb5aacee6177f..6787046ca28e6942794abfae1a23e75314bd3435 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -890,9 +890,11 @@ public class PlayerConnection implements PacketListenerPlayIn {
itemstack2.a("pages", (NBTBase) nbttaglist);
this.player.a(packetplayinbedit.d(), CraftEventFactory.handleEditBookEvent(player, enumitemslot, itemstack1, itemstack2)); // CraftBukkit
} else {
- ItemStack old = itemstack1.cloneItemStack(); // CraftBukkit
- itemstack1.a("pages", (NBTBase) itemstack.getTag().getList("pages", 8));
- CraftEventFactory.handleEditBookEvent(player, enumitemslot, old, itemstack1); // CraftBukkit
+ // Paper start - dont mutate players current item, set it from the event
+ ItemStack newBook = itemstack1.cloneItemStack();
+ newBook.getOrCreateTagAndSet("pages", (NBTBase)itemstack.getTag().getList("pages", 8));
+ this.player.setSlot(enumitemslot, CraftEventFactory.handleEditBookEvent(player, enumitemslot, itemstack1, newBook));
+ // Paper end
}
}