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path: root/patches/server/0368-Add-option-to-nerf-pigmen-from-nether-portals.patch
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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/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 2c8feeb15c71277e2daebdba5597b7302f9d7eda..90aad7af5c08968f921c8eba8bba7d677ac76584 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -526,6 +526,11 @@ public class PaperWorldConfig {
         log("Hopper Ignore Container Entities inside Occluding Blocks: " + (hoppersIgnoreOccludingBlocks ? "enabled" : "disabled"));
     }
 
+    public boolean nerfNetherPortalPigmen = false;
+    private void nerfNetherPortalPigmen() {
+        nerfNetherPortalPigmen = getBoolean("game-mechanics.nerf-pigmen-from-nether-portals", nerfNetherPortalPigmen);
+    }
+
     public int lightQueueSize = 20;
     private void lightQueueSize() {
         lightQueueSize = getInt("light-queue-size", lightQueueSize);
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 55bfca9606770ac8eb0c15ed83c5d3c605c22871..32e93c0c9c56a00585ede420f488cfe4a1b37ffa 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -324,6 +324,7 @@ 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
@@ -1895,6 +1896,9 @@ 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) {
@@ -2034,6 +2038,7 @@ 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 8edc7e3cf88eeebc06408a713ba6a41c9bd53e40..d2b82872f6f8c3febb6c4b6468fd39f3549b1ed8 100644
--- a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
@@ -66,6 +66,8 @@ public class NetherPortalBlock extends Block {
 
                 if (entity != null) {
                     entity.setPortalCooldown();
+                    entity.fromNetherPortal = true; // Paper
+                    if (world.paperConfig.nerfNetherPortalPigmen) ((net.minecraft.world.entity.Mob) entity).aware = false; // Paper
                 }
             }
         }