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Paper/patches/unapplied/server/0128-Cap-Entity-Collisions.patch
2023-12-05 18:20:55 +01:00

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2.2 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 22 Jan 2017 18:07:56 -0500
Subject: [PATCH] Cap Entity Collisions
Limit a single entity to colliding a max of configurable times per tick.
This will alleviate issues where living entities are hoarded in 1x1 pens
This is not tied to the maxEntityCramming rule. Cramming will still apply
just as it does in Vanilla, but entity pushing logic will be capped.
You can set this to 0 to disable collisions.
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index c85833a54c79b9a6eb18bc22dae67a92dbbad724..bea207f8fc4cd1af06622e10ff904d9459d4bc66 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -387,6 +387,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
public void inactiveTick() { }
// Spigot end
// Paper start
+ protected int numCollisions = 0; // Paper
@javax.annotation.Nullable
private org.bukkit.util.Vector origin;
@javax.annotation.Nullable
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 59d3ae122239f924d71d4e9d212b3bd343b80609..47726c9d2c5384d31983e53fd17d91cd12da8961 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3346,10 +3346,12 @@ public abstract class LivingEntity extends Entity implements Attackable {
}
Iterator iterator1 = list.iterator();
+ this.numCollisions = Math.max(0, this.numCollisions - this.level().paperConfig().collisions.maxEntityCollisions); // Paper
- while (iterator1.hasNext()) {
+ while (iterator1.hasNext() && this.numCollisions < this.level().paperConfig().collisions.maxEntityCollisions) { // Paper
Entity entity1 = (Entity) iterator1.next();
-
+ entity1.numCollisions++; // Paper
+ this.numCollisions++; // Paper
this.doPush(entity1);
}
}