Paper/patches/server/0130-Cap-Entity-Collisions.patch

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2021-06-11 14:02:28 +02:00
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/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 2dc58b9f769ea43b737804456aafab47ecc143b8..c611b5a63498f5ad1f50a75ccd5d7299e27df7e3 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -324,4 +324,10 @@ public class PaperWorldConfig {
log("Treasure Maps will return already discovered locations");
}
}
+
+ public int maxCollisionsPerEntity;
+ private void maxEntityCollision() {
+ maxCollisionsPerEntity = getInt( "max-entity-collisions", this.spigotConfig.getInt("max-entity-collisions", 8) );
+ log( "Max Entity Collisions: " + maxCollisionsPerEntity );
+ }
}
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index d8ca908b18f42c57bc96097ba537b0fc7c2915d0..a251c60a150a4471f676fb2cadda3e186b9ba6ee 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -322,6 +322,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
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public final org.spigotmc.ActivationRange.ActivationType activationType = org.spigotmc.ActivationRange.initializeEntityActivationType(this);
public final boolean defaultActivationState;
public long activatedTick = Integer.MIN_VALUE;
+ protected int numCollisions = 0; // Paper
public void inactiveTick() { }
// Spigot end
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index a69b8ef71b2ee216cb22f4079352d41ab1417e1f..d9503597b2c2707bf28b31db9c1099fd326d2451 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
2021-07-07 08:52:40 +02:00
@@ -3227,8 +3227,11 @@ public abstract class LivingEntity extends Entity {
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}
}
- for (j = 0; j < list.size(); ++j) {
+ this.numCollisions = Math.max(0, this.numCollisions - this.level.paperConfig.maxCollisionsPerEntity); // Paper
+ for (j = 0; j < list.size() && this.numCollisions < this.level.paperConfig.maxCollisionsPerEntity; ++j) { // Paper
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Entity entity = (Entity) list.get(j);
+ entity.numCollisions++; // Paper
+ this.numCollisions++; // Paper
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this.doPush(entity);
}