From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Sat, 21 Mar 2020 18:33:05 -0500
Subject: [PATCH] End gateway should check if entity can use portal

Original code by PurpurMC, licensed under MIT
You can find the original code on https://github.com/PurpurMC/Purpur

diff --git a/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
index 56d68b87287f0bb2c79ce0bed02fa333b85c4287..5c7e30eb5e8a2a1ab18750a2cd2ec7364e8c52e0 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/TheEndGatewayBlockEntity.java
@@ -177,6 +177,7 @@ public class TheEndGatewayBlockEntity extends TheEndPortalBlockEntity {
 
     public static void teleportEntity(Level world, BlockPos pos, BlockState state, Entity entity, TheEndGatewayBlockEntity blockEntity) {
         if (world instanceof ServerLevel && !blockEntity.isCoolingDown()) {
+            if (!entity.canChangeDimensions()) return; // Purpur
             ServerLevel worldserver = (ServerLevel) world;
 
             blockEntity.teleportCooldown = 100;