From 8e93845e08efce37a5378c954743a983e142ff05 Mon Sep 17 00:00:00 2001
From: chickeneer <emcchickeneer@gmail.com>
Date: Mon, 7 Aug 2017 23:07:32 -0400
Subject: [PATCH] Fix Nether Portal Creation on cancelled event

Spigot is manipulating the Travel Agents canCreatePortal, but forgot to reset it on cancel

This causes nether portals to not be generated if the event is ever cancelled

diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 34ac15d5e..190bda020 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -2371,6 +2371,7 @@ public abstract class Entity implements ICommandListener {
             event.useTravelAgent(useTravelAgent);
             event.getEntity().getServer().getPluginManager().callEvent(event);
             if (event.isCancelled() || event.getTo() == null || event.getTo().getWorld() == null || !this.isAlive()) {
+                agent.setCanCreatePortal(oldCanCreate); // Paper
                 return null;
             }
             exit = event.useTravelAgent() ? event.getPortalTravelAgent().findOrCreate(event.getTo()) : event.getTo();
-- 
2.13.0