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path: root/patches/server/0232-Option-to-prevent-armor-stands-from-doing-entity-loo.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Hugo Manrique <hugmanrique@gmail.com>
Date: Mon, 23 Jul 2018 12:57:39 +0200
Subject: [PATCH] Option to prevent armor stands from doing entity lookups


diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 35c6978eaf25ed505f99e42a58d388c62fde8319..0fd29d5854d9d6155ea590f86d4492d86afab433 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -414,4 +414,9 @@ public class PaperWorldConfig {
     private void scanForLegacyEnderDragon() {
         scanForLegacyEnderDragon = getBoolean("game-mechanics.scan-for-legacy-ender-dragon", true);
     }
+
+    public boolean armorStandEntityLookups = true;
+    private void armorStandEntityLookups() {
+        armorStandEntityLookups = getBoolean("armor-stands-do-collision-entity-lookups", true);
+    }
 }
diff --git a/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java b/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java
index 04ee36326b16e2aa070fd3318bd4a30bce67e49a..9a63260b20903eb4600f098c81ae660029f7c345 100644
--- a/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java
+++ b/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java
@@ -339,6 +339,7 @@ public class ArmorStand extends LivingEntity {
 
     @Override
     protected void pushEntities() {
+        if (!level.paperConfig.armorStandEntityLookups) return; // Paper
         List<Entity> list = this.level.getEntities(this, this.getBoundingBox(), ArmorStand.RIDABLE_MINECARTS);
 
         for (int i = 0; i < list.size(); ++i) {
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 233a8fcfae4ac568ad1f73cc61d8ae5b66a01ac2..e8d1a17b8e65e1af03ad36afd98b3e6ebab2592a 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -774,6 +774,13 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
             // Paper end
         }
     }
+    // Paper start - Prevent armor stands from doing entity lookups
+    @Override
+    public boolean noCollision(@Nullable Entity entity, AABB box) {
+        if (entity instanceof net.minecraft.world.entity.decoration.ArmorStand && !entity.level.paperConfig.armorStandEntityLookups) return false;
+        return LevelAccessor.super.noCollision(entity, box);
+    }
+    // Paper end
 
     public Explosion explode(@Nullable Entity entity, double x, double y, double z, float power, Explosion.BlockInteraction destructionType) {
         return this.explode(entity, (DamageSource) null, (ExplosionDamageCalculator) null, x, y, z, power, false, destructionType);