From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samsuik <kfian294ma4@gmail.com>
Date: Thu, 23 Sep 2021 18:50:13 +0100
Subject: [PATCH] Optimise LivingEntity#pushEntities


diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 77a1c7dfbaccc2e74da5c78ce4dfcd1717a7ac65..68b5e7d5293557cd1d7c1c202c48ac8caa40e721 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3543,7 +3543,11 @@ public abstract class LivingEntity extends Entity implements Attackable {
                 return;
             }
             // Paper end - don't run getEntities if we're not going to use its result
-            List<Entity> list = this.level().getEntities((Entity) this, this.getBoundingBox(), EntitySelector.pushable(this, this.level().paperConfig().collisions.fixClimbingBypassingCrammingRule)); // Paper - fix climbing bypassing cramming rule
+            // Sakura start - optimise entity pushing
+            int limit = Math.max(i, this.level().paperConfig().collisions.maxEntityCollisions);
+            int search = limit * limit;
+            List<Entity> list = this.level().getLimitedEntities(this, this.getBoundingBox(), EntitySelector.pushable(this, level().paperConfig().collisions.fixClimbingBypassingCrammingRule), limit, search); // Paper - fix climbing bypassing cramming rule
+            // Sakura end
 
             if (!list.isEmpty()) {
                 // Paper - moved up