PaperMC/Spigot-Server-Patches/0648-Fix-villager-boat-exploit.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: jmp <jasonpenilla2@me.com>
Date: Mon, 11 Jan 2021 12:43:51 -0800
Subject: [PATCH] Fix villager boat exploit


diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index bd318c058a0a99472486d1c3eaf1f9fa2879aaf6..0a84f70371dc458ccaa567e917706ecd8b6bbefa 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -613,6 +613,15 @@ public abstract class PlayerList {
 
                 for (Iterator iterator = entity.getAllPassengers().iterator(); iterator.hasNext(); entity1.dead = true) {
                     entity1 = (Entity) iterator.next();
+                    // Paper start
+                    if (entity1 instanceof EntityVillagerAbstract) {
+                        final EntityVillagerAbstract villager = (EntityVillagerAbstract) entity1;
+                        final EntityHuman human = villager.getTrader();
+                        if (human != null) {
+                            villager.setTradingPlayer(null);
+                        }
+                    }
+                    // Paper end
                     worldserver.removeEntity(entity1);
                 }