papermc/CraftBukkit-Patches/0095-Cap-Entity-Collisions.patch

66 lines
2.8 KiB
Diff

From d5d17c04b5a9c0f672c267ab36b7dc15eb1dcd2d Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 31 Jan 2014 11:18:34 -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.
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index c4bdccf..c542460 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1023,6 +1023,7 @@ public abstract class Entity {
public void b_(EntityHuman entityhuman) {}
+ int numCollisions = 0; // Spigot
public void collide(Entity entity) {
if (entity.passenger != this && entity.vehicle != this) {
double d0 = entity.locX - this.locX;
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index dad8964..234d7db 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -1495,7 +1495,9 @@ public abstract class EntityLiving extends Entity {
List list = this.world.getEntities(this, this.boundingBox.grow(0.20000000298023224D, 0.0D, 0.20000000298023224D));
if (this.R() && list != null && !list.isEmpty()) { // Spigot: Add this.R() condition
+ numCollisions -= world.spigotConfig.maxCollisionsPerEntity; // Spigot
for (int i = 0; i < list.size(); ++i) {
+ if (numCollisions > world.spigotConfig.maxCollisionsPerEntity) { break; } // Spigot
Entity entity = (Entity) list.get(i);
// TODO better check now?
@@ -1506,9 +1508,12 @@ public abstract class EntityLiving extends Entity {
// CraftBukkit end
if (entity.R()) {
+ entity.numCollisions++; // Spigot
+ numCollisions++; // Spigot
this.o(entity);
}
}
+ numCollisions = 0; // Spigot
}
}
diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
index 744e1be..9745982 100644
--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
+++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
@@ -273,4 +273,11 @@ public class SpigotWorldConfig
maxBulkChunk = getInt( "max-bulk-chunks", 5 );
log( "Sending up to " + maxBulkChunk + " chunks per packet" );
}
+
+ public int maxCollisionsPerEntity;
+ private void maxEntityCollision()
+ {
+ maxCollisionsPerEntity = getInt( "max-entity-collisions", 8 );
+ log( "Max Entity Collisions: " + maxCollisionsPerEntity );
+ }
}
--
1.9.1