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Paper/Spigot-Server-Patches/0085-Use-a-Shared-Random-for-Entities.patch

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Current Chunk for Entity and Block Entities, counts by entity type This enables us a fast reference to the entities current chunk instead of having to look it up by hashmap lookups. We also store counts by type to further enable other performance optimizations in later patches.
2018-07-04 09:55:24 +02:00
From 95dfc2d6b2593ea2603bc30932824b855b8bb672 Mon Sep 17 00:00:00 2001
Use a Shared Random for Entities Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
2016-03-22 05:36:20 +01:00
From: Aikar <aikar@aikar.co>
Date: Tue, 22 Mar 2016 00:33:47 -0400
Subject: [PATCH] Use a Shared Random for Entities
Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
Current Chunk for Entity and Block Entities, counts by entity type This enables us a fast reference to the entities current chunk instead of having to look it up by hashmap lookups. We also store counts by type to further enable other performance optimizations in later patches.
2018-07-04 09:55:24 +02:00
index b4ad611fc..4a08db5ba 100644
Use a Shared Random for Entities Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
2016-03-22 05:36:20 +01:00
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
Current Chunk for Entity and Block Entities, counts by entity type This enables us a fast reference to the entities current chunk instead of having to look it up by hashmap lookups. We also store counts by type to further enable other performance optimizations in later patches.
2018-07-04 09:55:24 +02:00
@@ -46,6 +46,7 @@ public abstract class Entity implements ICommandListener, KeyedObject { // Paper
Use a Shared Random for Entities Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
2016-03-22 05:36:20 +01:00
// CraftBukkit start
private static final int CURRENT_LEVEL = 2;
+ public static Random SHARED_RANDOM = new Random(); // Paper
static boolean isLevelAtLeast(NBTTagCompound tag, int level) {
return tag.hasKey("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
}
Current Chunk for Entity and Block Entities, counts by entity type This enables us a fast reference to the entities current chunk instead of having to look it up by hashmap lookups. We also store counts by type to further enable other performance optimizations in later patches.
2018-07-04 09:55:24 +02:00
@@ -171,7 +172,7 @@ public abstract class Entity implements ICommandListener, KeyedObject { // Paper
Use a Shared Random for Entities Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
2016-03-22 05:36:20 +01:00
this.length = 1.8F;
Update to Minecraft 1.10
2016-06-09 05:57:14 +02:00
this.ax = 1;
Update to MC 1.12-pre2
2017-05-14 20:05:01 +02:00
this.ay = 1.0F;
Use a Shared Random for Entities Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
2016-03-22 05:36:20 +01:00
- this.random = new Random();
+ this.random = SHARED_RANDOM; // Paper
Update Paper to MC 1.11
2016-11-17 03:23:38 +01:00
this.fireTicks = -this.getMaxFireTicks();
Use a Shared Random for Entities Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
2016-03-22 05:36:20 +01:00
this.justCreated = true;
this.uniqueID = MathHelper.a(this.random);
--
Current Chunk for Entity and Block Entities, counts by entity type This enables us a fast reference to the entities current chunk instead of having to look it up by hashmap lookups. We also store counts by type to further enable other performance optimizations in later patches.
2018-07-04 09:55:24 +02:00
2.18.0
Use a Shared Random for Entities Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
2016-03-22 05:36:20 +01:00
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