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/EntityLiving.java b/src/main/java/net/minecraft/world/entity/EntityLiving.java
index 78d874c44cf8311af06b085db12fbe0cacd6cf7d..2657dd71213455e2da3a4ff4d338a33896ffe855 100644
--- a/src/main/java/net/minecraft/world/entity/EntityLiving.java
+++ b/src/main/java/net/minecraft/world/entity/EntityLiving.java
@@ -3351,6 +3351,7 @@ public abstract class EntityLiving extends Entity {
                     world.getServer().getPluginManager().callEvent(event);
 
                     if (event.isCancelled()) {
+                        this.clearActiveItem(); // Paper - event is using an item, clear active item to reset its use
                         // Update client
                         ((EntityPlayer) this).getBukkitEntity().updateInventory();
                         ((EntityPlayer) this).getBukkitEntity().updateScaledHealth();