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 2d3f418b5a7a5414ca5be8525146e480add51635..509139ab9a3070c8c96d14fdc4d07bc229b41bd6 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -4149,6 +4149,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
                             }
                             entityPlayer.getBukkitEntity().updateInventory();
                             entityPlayer.getBukkitEntity().updateScaledHealth();
+                            this.stopUsingItem(); // Paper - event is using an item, clear active item to reset its use
                             return;
                         }