PaperMC/patches/server/0351-Add-option-to-nerf-pigmen-from-nether-portals.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Fri, 7 Feb 2020 14:36:56 -0600
Subject: [PATCH] Add option to nerf pigmen from nether portals


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index f0f1aee5f2613f81d8f600ecb9137856b09e2319..8619d3d81c9ce9b85fcfee37de564630f5ae0be6 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -392,6 +392,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
     // Paper start
     public long activatedImmunityTick = Integer.MIN_VALUE; // Paper
     public boolean isTemporarilyActive = false; // Paper
+    public boolean fromNetherPortal; // Paper
     protected int numCollisions = 0; // Paper
     public boolean spawnedViaMobSpawner; // Paper - Yes this name is similar to above, upstream took the better one
     @javax.annotation.Nullable
@@ -2200,6 +2201,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
             if (spawnedViaMobSpawner) {
                 nbt.putBoolean("Paper.FromMobSpawner", true);
             }
+            if (fromNetherPortal) {
+                nbt.putBoolean("Paper.FromNetherPortal", true);
+            }
             // Paper end
             return nbt;
         } catch (Throwable throwable) {
@@ -2342,6 +2346,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
             }
 
             spawnedViaMobSpawner = nbt.getBoolean("Paper.FromMobSpawner"); // Restore entity's from mob spawner status
+            fromNetherPortal = nbt.getBoolean("Paper.FromNetherPortal");
             if (nbt.contains("Paper.SpawnReason")) {
                 String spawnReasonName = nbt.getString("Paper.SpawnReason");
                 try {
diff --git a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
index 47c99d86be833b7c6f9f76c76897fb89d6fca712..69f34c566bf825259253abbefd7d7ba2e847231b 100644
--- a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
@@ -63,6 +63,8 @@ public class NetherPortalBlock extends Block {
 
                 if (entity != null) {
                     entity.setPortalCooldown();
+                    entity.fromNetherPortal = true; // Paper
+                    if (world.paperConfig().entities.behavior.nerfPigmenFromNetherPortals) ((net.minecraft.world.entity.Mob) entity).aware = false; // Paper
                 }
             }
         }