PaperMC/patches/server/0409-Don-t-run-entity-collision-code-if-not-needed.patch
Nassim Jahnke 5960af9d87
Updated Upstream (Bukkit/CraftBukkit) (#6568)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
7da4c0be SPIGOT-6729: Add Chunk.isEntitiesLoaded()

CraftBukkit Changes:
9217b523 #929: Call EntityBlockFormEvent for Wither Rose placed by dead entity
757d42ae SPIGOT-6729: Add Chunk.isEntitiesLoaded()
2021-09-06 11:26:47 +02:00

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1.5 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Wed, 15 Apr 2020 17:56:07 -0700
Subject: [PATCH] Don't run entity collision code if not needed
Will not run if max entity craming is disabled and
the max collisions per entity is less than or equal to 0
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 2a81568c59545689a392f461abd23675341c911e..90c018758e0817566390cdd0f3946b21cf5e3017 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3263,10 +3263,16 @@ public abstract class LivingEntity extends Entity {
protected void serverAiStep() {}
protected void pushEntities() {
+ // Paper start - don't run getEntities if we're not going to use its result
+ int i = this.level.getGameRules().getInt(GameRules.RULE_MAX_ENTITY_CRAMMING);
+ if (i <= 0 && level.paperConfig.maxCollisionsPerEntity <= 0) {
+ return;
+ }
+ // Paper end - don't run getEntities if we're not going to use its result
List<Entity> list = this.level.getEntities(this, this.getBoundingBox(), EntitySelector.pushableBy(this));
if (!list.isEmpty()) {
- int i = this.level.getGameRules().getInt(GameRules.RULE_MAX_ENTITY_CRAMMING);
+ // Paper - move up
int j;
if (i > 0 && list.size() > i - 1 && this.random.nextInt(4) == 0) {