From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Mon, 17 Aug 2020 19:32:05 -0500
Subject: [PATCH] Entities can use portals configuration

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/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 1af80fe51a67260e4ada32fb5880d50b3fac1d51..572a0e6881f817a44fd1b09b920ba692fb2affb7 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -2881,7 +2881,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
         if (this.isOnPortalCooldown()) {
             if (!(wtf.etil.mirai.MiraiConfig.playerFixStuckPortal && this instanceof Player && !pos.equals(portalPos))) // Purpur
             this.setPortalCooldown();
-        } else {
+        } else if (wtf.etil.mirai.MiraiConfig.entitiesCanUsePortals || this instanceof ServerPlayer) { // Purpur
             if (!this.level.isClientSide && !pos.equals(this.portalEntrancePos)) {
                 this.portalEntrancePos = pos.immutable();
                 portalPos = BlockPos.ZERO; // Purpur
@@ -3554,7 +3554,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
     }
 
     public boolean canChangeDimensions() {
-        return isAlive() && valid; // Paper
+        return isAlive() && valid && (wtf.etil.mirai.MiraiConfig.entitiesCanUsePortals || this instanceof ServerPlayer); // Paper // Purpur
     }
 
     public float getBlockExplosionResistance(Explosion explosion, BlockGetter world, BlockPos pos, BlockState blockState, FluidState fluidState, float max) {
diff --git a/src/main/java/wtf/etil/mirai/MiraiConfig.java b/src/main/java/wtf/etil/mirai/MiraiConfig.java
index 65db00dd6dc75af71a0d84e89529a0f55a730102..54fc6d04f10ed8d5aa637c381854e0fa098b48b4 100644
--- a/src/main/java/wtf/etil/mirai/MiraiConfig.java
+++ b/src/main/java/wtf/etil/mirai/MiraiConfig.java
@@ -196,4 +196,10 @@ public class MiraiConfig {
                                     "walking to another block in case they are stuck.");
     }
 
+    public static boolean entitiesCanUsePortals;
+    private static void entitiesPortal() {
+        entitiesCanUsePortals = getBoolean("entities-can-use-portals", true,
+                                    "Whether or not entities should be able to use portals.");
+    }
+
 }
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