Paper/patches/server/0645-Fix-merchant-inventory-not-closing-on-entity-removal.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Thu, 2 Sep 2021 00:24:06 -0700
Subject: [PATCH] Fix merchant inventory not closing on entity removal


diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 46e14d8bcef8ba9ba2b17f6d2e59db7247b38977..2d0d1da27152654ab43aba0ffe51887137190a2e 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -2356,6 +2356,11 @@ public class ServerLevel extends Level implements WorldGenLevel {
             // Spigot end
             // Spigot Start
             if (entity.getBukkitEntity() instanceof org.bukkit.inventory.InventoryHolder && (!(entity instanceof ServerPlayer) || entity.getRemovalReason() != Entity.RemovalReason.KILLED)) { // SPIGOT-6876: closeInventory clears death message
+                // Paper start - Fix merchant inventory not closing on entity removal
+                if (entity.getBukkitEntity() instanceof org.bukkit.inventory.Merchant merchant && merchant.getTrader() != null) {
+                    merchant.getTrader().closeInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNLOADED);
+                }
+                // Paper end - Fix merchant inventory not closing on entity removal
                 for (org.bukkit.entity.HumanEntity h : Lists.newArrayList(((org.bukkit.inventory.InventoryHolder) entity.getBukkitEntity()).getInventory().getViewers())) {
                     h.closeInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNLOADED); // Paper - Inventory close reason
                 }