2019-03-16 04:25:32 +01:00
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From f55270f77166a5a22352bfe2364c8c2bc156ad8d Mon Sep 17 00:00:00 2001
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2019-01-02 04:45:52 +01:00
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From: Michael Himing <mhiming@gmail.com>
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Date: Sun, 16 Dec 2018 13:07:33 +1100
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Subject: [PATCH] Fix PlayerEditBookEvent
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- Updating book writing (not signing) mutated the original item, making
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it impossible to properly cancel the event or modify the book meta
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- When the event was cancelled, the client's book would keep the
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cancelled writing
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diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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2019-03-16 04:25:32 +01:00
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index 391ecc9d..04344a37 100644
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2019-01-02 04:45:52 +01:00
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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2019-02-05 04:39:00 +01:00
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@@ -823,10 +823,13 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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2019-01-02 04:45:52 +01:00
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this.player.setSlot(enumitemslot, CraftEventFactory.handleEditBookEvent(player, enumitemslot, itemstack1, itemstack2)); // CraftBukkit
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} else {
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- ItemStack old = itemstack1.cloneItemStack(); // CraftBukkit
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- itemstack1.a("pages", (NBTBase) itemstack.getTag().getList("pages", 8));
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- CraftEventFactory.handleEditBookEvent(player, enumitemslot, old, itemstack1); // CraftBukkit
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+ // Paper start - dont mutate players current item, set it from the event
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+ ItemStack newBook = itemstack1.cloneItemStack();
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2019-01-06 18:48:24 +01:00
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+ newBook.getOrCreateTagAndSet("pages", (NBTBase) itemstack.getTag().getList("pages", 8));
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2019-01-02 04:45:52 +01:00
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+ this.player.setSlot(enumitemslot, CraftEventFactory.handleEditBookEvent(player, enumitemslot, itemstack1, newBook));
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+ // Paper end
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}
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+ player.getBukkitEntity().updateInventory(); // Paper - fix client desync when event is cancelled
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}
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}
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--
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2019-03-16 04:25:32 +01:00
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2.20.1
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2019-01-02 04:45:52 +01:00
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