papermc/patches/server/0321-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 631f2d70b5fd6dabc06062e3c77802d2b61398ae..d890331b9bd8c7b29efb21454af34a0b246b1674 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -404,6 +404,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
     public void inactiveTick() { }
     // Spigot end
     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
     // Paper start - Entity origin API
     @javax.annotation.Nullable
@@ -2284,6 +2285,9 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
             if (spawnedViaMobSpawner) {
                 nbttagcompound.putBoolean("Paper.FromMobSpawner", true);
             }
+            if (fromNetherPortal) {
+                nbttagcompound.putBoolean("Paper.FromNetherPortal", true);
+            }
             // Paper end
             return nbttagcompound;
         } catch (Throwable throwable) {
@@ -2426,6 +2430,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
             }
 
             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 19c813ab9e71eed150ae569f903287e9283d9292..ab1cbcf5ef1ebffd39373bacb2b0983d2c8fa15a 100644
--- a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
@@ -88,6 +88,8 @@ public class NetherPortalBlock extends Block implements Portal {
 
                 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
                 }
             }
         }