papermc/Spigot-Server-Patches/0423-Fix-last-firework-in-stack-not-having-effects-when-d.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Fri, 17 Jan 2020 18:44:55 -0800
Subject: [PATCH] Fix last firework in stack not having effects when dispensed
 - #2871

CB used the resulting item in the dispenser rather than the item
dispensed. The resulting item would have size == 0 and therefore
be convertered to air, hence why the effects disappeared.

diff --git a/src/main/java/net/minecraft/server/IDispenseBehavior.java b/src/main/java/net/minecraft/server/IDispenseBehavior.java
index b6b7e3c6c973886e35bde0bf10787b62c7f015ca..3af686c7f1e483afd4dbf5e2b27c484e2ef321d0 100644
--- a/src/main/java/net/minecraft/server/IDispenseBehavior.java
+++ b/src/main/java/net/minecraft/server/IDispenseBehavior.java
@@ -265,7 +265,7 @@ public interface IDispenseBehavior {
                 }
 
                 itemstack1 = CraftItemStack.asNMSCopy(event.getItem());
-                EntityFireworks entityfireworks = new EntityFireworks(isourceblock.getWorld(), itemstack, d3, d4, d5, true);
+                EntityFireworks entityfireworks = new EntityFireworks(isourceblock.getWorld(), itemstack1, d3, d4, d5, true); // Paper - GH-2871 - fix last firework in stack having no effects when dispensed
 
                 entityfireworks.shoot(d0, d1, d2, 0.5F, 1.0F);
                 isourceblock.getWorld().addEntity(entityfireworks);