From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: chickeneer <emcchickeneer@gmail.com>
Date: Fri, 19 Mar 2021 00:33:15 -0500
Subject: [PATCH] Fix PlayerItemConsumeEvent cancelling properly

When the active item is not cleared, the item is still readied
for use and will repeatedly trigger the PlayerItemConsumeEvent
till their item is switched.
This patch clears the active item when the event is cancelled

diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 5074744f1d52765a3856b7c1aa75bfe5aa35c1d4..01a47bcae1ac1a7e03b5580e5e587bc54db2ce1a 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3860,6 +3860,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
                         this.level().getCraftServer().getPluginManager().callEvent(event);
 
                         if (event.isCancelled()) {
+                            this.stopUsingItem(); // Paper - event is using an item, clear active item to reset its use
                             // Update client
                             ((ServerPlayer) this).getBukkitEntity().updateInventory();
                             ((ServerPlayer) this).getBukkitEntity().updateScaledHealth();