PaperMC/patches/server/0331-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 72b8c527a06f260322430dd274cfae5582cd972b..b40eed864faf11962efc1e0df417074eb8737c6b 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -397,6 +397,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
     // Spigot end
     // Paper start
     protected int numCollisions = 0; // Paper - Cap entity collisions
+    public boolean fromNetherPortal; // Paper - Add option to nerf pigmen from nether portals
     public boolean spawnedViaMobSpawner; // Paper - Yes this name is similar to above, upstream took the better one
     @javax.annotation.Nullable
     private org.bukkit.util.Vector origin;
@@ -2221,6 +2222,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
             if (spawnedViaMobSpawner) {
                 nbttagcompound.putBoolean("Paper.FromMobSpawner", true);
             }
+            if (fromNetherPortal) {
+                nbttagcompound.putBoolean("Paper.FromNetherPortal", true);
+            }
             // Paper end
             return nbttagcompound;
         } catch (Throwable throwable) {
@@ -2363,6 +2367,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
             }
 
             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 c9ff8a3fd8d65033ce5a476e8ceaf9d1b8e2d887..2a8f97d97ae7f268da920b5e3b9719743fa9a8e0 100644
--- a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
@@ -71,6 +71,8 @@ public class NetherPortalBlock extends Block {
 
                 if (entity != null) {
                     entity.setPortalCooldown();
+                    entity.fromNetherPortal = true; // Paper - Add option to nerf pigmen from nether portals
+                    if (world.paperConfig().entities.behavior.nerfPigmenFromNetherPortals) ((net.minecraft.world.entity.Mob) entity).aware = false; // Paper - Add option to nerf pigmen from nether portals
                 }
             }
         }